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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2031696.pdf | 1.07 MB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031696-A // Switching arrangement for four-wire circuits // Espenschied Lloyd ; Monk Newton // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031696-A // Switching arrangement for four-wire circuits // Espenschied Lloyd ; Monk Newton // American Telephone & Telegraph | ||||
| PDF File 2031692.pdf | 595 kB | Shaun Ewing | Feb 25, 1936 00:00 |
|
US-2031692-A // Telephone system // Carson Arthur // American Telephone & Telegraph | |||
| Version 1 (current) | 595 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031692-A // Telephone system // Carson Arthur // American Telephone & Telegraph | ||||
| PDF File 2030987.pdf | 409 kB | Shaun Ewing | Feb 18, 1936 00:00 |
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US-2030987-A // Oscillation control device // Herckmans Alfred // American Telephone & Telegraph | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Feb 18, 1936 00:00 | US-2030987-A // Oscillation control device // Herckmans Alfred // American Telephone & Telegraph | ||||
| PDF File 2030971.pdf | 436 kB | Shaun Ewing | Feb 18, 1936 00:00 |
|
US-2030971-A // Operator's telephone circuit // Dietze Eginhard // American Telephone & Telegraph | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Feb 18, 1936 00:00 | US-2030971-A // Operator's telephone circuit // Dietze Eginhard // American Telephone & Telegraph | ||||
| PDF File 2030961.pdf | 247 kB | Shaun Ewing | Feb 18, 1936 00:00 |
|
US-2030961-A // Operator's telephone circuit // Carter Herman T. // American Telephone & Telegraph | |||
| Version 1 (current) | 247 kB | Shaun Ewing | Feb 18, 1936 00:00 | US-2030961-A // Operator's telephone circuit // Carter Herman T. // American Telephone & Telegraph | ||||
| PDF File 2030181.pdf | 683 kB | Shaun Ewing | Feb 11, 1936 00:00 |
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US-2030181-A // Directional radio signaling // Potter Ralph Kimball // American Telephone & Telegraph | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Feb 11, 1936 00:00 | US-2030181-A // Directional radio signaling // Potter Ralph Kimball // American Telephone & Telegraph | ||||
| PDF File 2030178.pdf | 1.50 MB | Shaun Ewing | Feb 11, 1936 00:00 |
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US-2030178-A // Electrical circuit arrangement // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Feb 11, 1936 00:00 | US-2030178-A // Electrical circuit arrangement // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 2029421.pdf | 692 kB | Shaun Ewing | Feb 04, 1936 00:00 |
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US-2029421-A // Concentric conductor transmission system // Green Estill I. ; Leibe Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Feb 04, 1936 00:00 | US-2029421-A // Concentric conductor transmission system // Green Estill I. ; Leibe Frank A. // American Telephone & Telegraph | ||||
| PDF File 2029420.pdf | 535 kB | Shaun Ewing | Feb 04, 1936 00:00 |
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US-2029420-A // Concentric conductor transmission system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Feb 04, 1936 00:00 | US-2029420-A // Concentric conductor transmission system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 2028835.pdf | 1.14 MB | Shaun Ewing | Jan 28, 1936 00:00 |
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US-2028835-A // Start-stop telegraph repeater // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Jan 28, 1936 00:00 | US-2028835-A // Start-stop telegraph repeater // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 2028818.pdf | 640 kB | Shaun Ewing | Jan 28, 1936 00:00 |
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US-2028818-A // Printing telegraph system // Anspach Russell Jacob ; Harrison Jackson Webster // American Telephone & Telegraph | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Jan 28, 1936 00:00 | US-2028818-A // Printing telegraph system // Anspach Russell Jacob ; Harrison Jackson Webster // American Telephone & Telegraph | ||||
| PDF File 2028525.pdf | 703 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028525-A // Lock // Schmidt Frederic E. // American Telephone & Telegraph | |||
| Version 1 (current) | 703 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028525-A // Lock // Schmidt Frederic E. // American Telephone & Telegraph | ||||
| PDF File 2028495.pdf | 379 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028495-A // Lock // Breen John Raymond ; Strausbach Arlington S. // American Telephone & Telegraph | |||
| Version 1 (current) | 379 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028495-A // Lock // Breen John Raymond ; Strausbach Arlington S. // American Telephone & Telegraph | ||||
| PDF File 2028289.pdf | 529 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028289-A // Time announcement system // Lewis Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 529 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028289-A // Time announcement system // Lewis Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 2028278.pdf | 425 kB | Shaun Ewing | Jan 21, 1936 00:00 |
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US-2028278-A // Vacuum tube testing system // Gannett Danforth King ; Heights Jackson ; Lewis Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Jan 21, 1936 00:00 | US-2028278-A // Vacuum tube testing system // Gannett Danforth King ; Heights Jackson ; Lewis Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 2027465.pdf | 1.29 MB | Shaun Ewing | Jan 14, 1936 00:00 |
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US-2027465-A // Telephone system // Brazelton Roy M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Jan 14, 1936 00:00 | US-2027465-A // Telephone system // Brazelton Roy M. // American Telephone & Telegraph | ||||
| PDF File 2027463.pdf | 1.03 MB | Shaun Ewing | Jan 14, 1936 00:00 |
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US-2027463-A // Telephone system // Bascom Henry Melvin ; Friend Otto Albert // American Telephone & Telegraph | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Jan 14, 1936 00:00 | US-2027463-A // Telephone system // Bascom Henry Melvin ; Friend Otto Albert // American Telephone & Telegraph | ||||
| PDF File 2026712.pdf | 755 kB | Shaun Ewing | Jan 07, 1936 00:00 |
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US-2026712-A // Composite oscillator for electromagnetic waves // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Jan 07, 1936 00:00 | US-2026712-A // Composite oscillator for electromagnetic waves // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 2026696.pdf | 1.14 MB | Shaun Ewing | Jan 07, 1936 00:00 |
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US-2026696-A // Signaling system // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Jan 07, 1936 00:00 | US-2026696-A // Signaling system // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 2025925.pdf | 659 kB | Shaun Ewing | Dec 31, 1935 00:00 |
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US-2025925-A // Telephone system // Jr. Paul Winsor, // American Telephone & Telegraph | |||
| Version 1 (current) | 659 kB | Shaun Ewing | Dec 31, 1935 00:00 | US-2025925-A // Telephone system // Jr. Paul Winsor, // American Telephone & Telegraph |
