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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 638152.pdf | 378 kB | Shaun Ewing | Nov 28, 1899 00:00 |
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US-638152-A // Telephony. // John Stone Stone // American Bell Telephone Co | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Nov 28, 1899 00:00 | US-638152-A // Telephony. // John Stone Stone // American Bell Telephone Co | ||||
| PDF File 640404.pdf | 834 kB | Shaun Ewing | Jan 02, 1900 00:00 |
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US-640404-A // Telephone central-station apparatus and circuits. // Samuel G. Mcmeen // American Bell Telephone Co | |||
| Version 1 (current) | 834 kB | Shaun Ewing | Jan 02, 1900 00:00 | US-640404-A // Telephone central-station apparatus and circuits. // Samuel G. Mcmeen // American Bell Telephone Co | ||||
| PDF File 641737.pdf | 1.08 MB | Shaun Ewing | Jan 23, 1900 00:00 |
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US-641737-A // Registering apparatus and circuit for telephonic measured service. // George K. Thompson // American Bell Telephone Co | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Jan 23, 1900 00:00 | US-641737-A // Registering apparatus and circuit for telephonic measured service. // George K. Thompson // American Bell Telephone Co | ||||
| PDF File 641743.pdf | 972 kB | Shaun Ewing | Jan 23, 1900 00:00 |
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US-641743-A // Telephone-switchboard apparatus and appliance. // Thomas C. Wales, Jr. // American Bell Telephone Co | |||
| Version 1 (current) | 972 kB | Shaun Ewing | Jan 23, 1900 00:00 | US-641743-A // Telephone-switchboard apparatus and appliance. // Thomas C. Wales, Jr. // American Bell Telephone Co | ||||
| PDF File 644647.pdf | 1.18 MB | Shaun Ewing | Mar 06, 1900 00:00 |
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US-644647-A // Selective signal for telephone-circuits. // George K. Thompson ; Ernest C. Robes // American Bell Telephone Co | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Mar 06, 1900 00:00 | US-644647-A // Selective signal for telephone-circuits. // George K. Thompson ; Ernest C. Robes // American Bell Telephone Co | ||||
| PDF File 647565.pdf | 182 kB | Shaun Ewing | Apr 17, 1900 00:00 |
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US-647565-A // Electric thermostat for fire-alarms. // Hammond V. Hayes ; George K. Thompson // American Bell Telephone Co | |||
| Version 1 (current) | 182 kB | Shaun Ewing | Apr 17, 1900 00:00 | US-647565-A // Electric thermostat for fire-alarms. // Hammond V. Hayes ; George K. Thompson // American Bell Telephone Co | ||||
| PDF File 647588.pdf | 1017 kB | Shaun Ewing | Apr 17, 1900 00:00 |
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US-647588-A // Combined telephone and electrothermostatic fire-alarm system. // George K. Thompson // American Bell Telepone Company | |||
| Version 1 (current) | 1017 kB | Shaun Ewing | Apr 17, 1900 00:00 | US-647588-A // Combined telephone and electrothermostatic fire-alarm system. // George K. Thompson // American Bell Telepone Company | ||||
| PDF File 648805.pdf | 884 kB | Shaun Ewing | May 01, 1900 00:00 |
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US-648805-A // Service-meter apparatus and circuit for telephone-substations. // Herbert E. Shreeve // American Bell Telephone Co | |||
| Version 1 (current) | 884 kB | Shaun Ewing | May 01, 1900 00:00 | US-648805-A // Service-meter apparatus and circuit for telephone-substations. // Herbert E. Shreeve // American Bell Telephone Co | ||||
| PDF File 654630.pdf | 481 kB | Shaun Ewing | Jul 31, 1900 00:00 |
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US-654630-A // Radiophony. // Hammond V. Hayes ; Ernest R. Cram // American Bell Telephone Co | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Jul 31, 1900 00:00 | US-654630-A // Radiophony. // Hammond V. Hayes ; Ernest R. Cram // American Bell Telephone Co | ||||
| PDF File 656333.pdf | 530 kB | Shaun Ewing | Aug 21, 1900 00:00 |
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US-656333-A // Telephone-switchboard apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co | |||
| Version 1 (current) | 530 kB | Shaun Ewing | Aug 21, 1900 00:00 | US-656333-A // Telephone-switchboard apparatus. // Thomas C. Wales, Jr. // American Bell Telephone Co | ||||
| PDF File 656796.pdf | 579 kB | Shaun Ewing | Aug 28, 1900 00:00 |
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US-656796-A // Signal-receiving relay. // George K. Thompson ; Ernest C. Robes // American Bell Telephone Co | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Aug 28, 1900 00:00 | US-656796-A // Signal-receiving relay. // George K. Thompson ; Ernest C. Robes // American Bell Telephone Co | ||||
| PDF File 657305.pdf | 418 kB | Shaun Ewing | Sept 04, 1900 00:00 |
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US-657305-A // Means for relieving telephone-lines from deleterious electrical charges. // Chester H. Arnold // American Bell Telephone Co | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Sept 04, 1900 00:00 | US-657305-A // Means for relieving telephone-lines from deleterious electrical charges. // Chester H. Arnold // American Bell Telephone Co | ||||
| PDF File 657315.pdf | 1.44 MB | Shaun Ewing | Sept 04, 1900 00:00 |
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US-657315-A // Telephone switching apparatus. // David S. Hulfish // American Bell Telephone Co | |||
| Version 1 (current) | 1.44 MB | Shaun Ewing | Sept 04, 1900 00:00 | US-657315-A // Telephone switching apparatus. // David S. Hulfish // American Bell Telephone Co | ||||
| PDF File 657316.pdf | 580 kB | Shaun Ewing | Sept 04, 1900 00:00 |
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US-657316-A // Telephone trunk-circuit. // David S. Hulfish // American Bell Telephone Co | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Sept 04, 1900 00:00 | US-657316-A // Telephone trunk-circuit. // David S. Hulfish // American Bell Telephone Co | ||||
| PDF File 664191.pdf | 818 kB | Shaun Ewing | Dec 18, 1900 00:00 |
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US-664191-A // Call-register or service-meter circuit for switchboard apparatus. // George K. Thompson // American Bell Telephone Co | |||
| Version 1 (current) | 818 kB | Shaun Ewing | Dec 18, 1900 00:00 | US-664191-A // Call-register or service-meter circuit for switchboard apparatus. // George K. Thompson // American Bell Telephone Co | ||||
| PDF File 666213.pdf | 906 kB | Shaun Ewing | Jan 15, 1901 00:00 |
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US-666213-A // Telephone-exchange circuit and appliance. // George K. Thompson // American Bell Telephone Co | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Jan 15, 1901 00:00 | US-666213-A // Telephone-exchange circuit and appliance. // George K. Thompson // American Bell Telephone Co | ||||
| PDF File 666444.pdf | 988 kB | Shaun Ewing | Jan 22, 1901 00:00 |
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US-666444-A // Telephone-exchange central-station switchboard apparatus. // George Knox Thompson ; Ernest Clifton Robes // American Bell Telephone Co | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Jan 22, 1901 00:00 | US-666444-A // Telephone-exchange central-station switchboard apparatus. // George Knox Thompson ; Ernest Clifton Robes // American Bell Telephone Co | ||||
| PDF File 666698.pdf | 1.22 MB | Shaun Ewing | Jan 29, 1901 00:00 |
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US-666698-A // Telephone-exchange circuit and signaling apparatus. // Malcolm C. Rorty // American Bell Telephone Co | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Jan 29, 1901 00:00 | US-666698-A // Telephone-exchange circuit and signaling apparatus. // Malcolm C. Rorty // American Bell Telephone Co | ||||
| PDF File 666706.pdf | 984 kB | Shaun Ewing | Jan 29, 1901 00:00 |
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US-666706-A // Selective signaling and registering apparatus circuit. // Herbert E. Shreeve // American Bell Telephone Co | |||
| Version 1 (current) | 984 kB | Shaun Ewing | Jan 29, 1901 00:00 | US-666706-A // Selective signaling and registering apparatus circuit. // Herbert E. Shreeve // American Bell Telephone Co | ||||
| PDF File 668022.pdf | 336 kB | Shaun Ewing | Feb 12, 1901 00:00 |
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US-668022-A // Signal-controlling relay. // Herbert E. Shreeve // American Bell Telephone Co | |||
| Version 1 (current) | 336 kB | Shaun Ewing | Feb 12, 1901 00:00 | US-668022-A // Signal-controlling relay. // Herbert E. Shreeve // American Bell Telephone Co |
