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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1869884.pdf | 340 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869884-A // Testing device // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 340 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869884-A // Testing device // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1869870.pdf | 780 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869870-A // Filtering circuits // Stevenson George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 780 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869870-A // Filtering circuits // Stevenson George H. // Bell Telephone Labor Inc | ||||
| PDF File 1869484.pdf | 627 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869484-A // Peak voltage limiter // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 627 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869484-A // Peak voltage limiter // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 1869466.pdf | 331 kB | Shaun Ewing | Aug 02, 1932 00:00 |
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US-1869466-A // Voltage limiter // Cole Ira E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Aug 02, 1932 00:00 | US-1869466-A // Voltage limiter // Cole Ira E. // Bell Telephone Labor Inc | ||||
| PDF File 1869200.pdf | 245 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869200-A // Vacuum cleaner attachment // Linton Grant // Bell Telephone Labor Inc | |||
| Version 1 (current) | 245 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869200-A // Vacuum cleaner attachment // Linton Grant // Bell Telephone Labor Inc | ||||
| PDF File 1869194.pdf | 471 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869194-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869194-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1869184.pdf | 405 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869184-A // Jig // Burr George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 405 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869184-A // Jig // Burr George W. // Bell Telephone Labor Inc | ||||
| PDF File 1869181.pdf | 263 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869181-A // Electric test connecter // Beck William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 263 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869181-A // Electric test connecter // Beck William O. // Bell Telephone Labor Inc | ||||
| PDF File 1869178.pdf | 1.57 MB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869178-A // Sound translating device // Thuras Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.57 MB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869178-A // Sound translating device // Thuras Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 1869175.pdf | 310 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869175-A // Radio clock regulation // Sprague Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 310 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869175-A // Radio clock regulation // Sprague Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 1869171.pdf | 268 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869171-A // Oscillation generator // Rose Charles F. P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 268 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869171-A // Oscillation generator // Rose Charles F. P. // Bell Telephone Labor Inc | ||||
| PDF File 1869160.pdf | 192 kB | Shaun Ewing | Jul 26, 1932 00:00 |
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US-1869160-A // Piezo-electric resonator // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 192 kB | Shaun Ewing | Jul 26, 1932 00:00 | US-1869160-A // Piezo-electric resonator // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1868369.pdf | 306 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868369-A // Sound recording machine // Sailliard John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868369-A // Sound recording machine // Sailliard John H. // Bell Telephone Labor Inc | ||||
| PDF File 1868366.pdf | 649 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868366-A // Driving mechanism // Pfannenstiehl Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868366-A // Driving mechanism // Pfannenstiehl Harry // Bell Telephone Labor Inc | ||||
| PDF File 1868326.pdf | 1.59 MB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868326-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868326-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 1868321.pdf | 430 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868321-A // Sound recording // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868321-A // Sound recording // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1868318.pdf | 193 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868318-A // Adjustable inductance // Greenidge Ralph M. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 193 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868318-A // Adjustable inductance // Greenidge Ralph M. C. // Bell Telephone Labor Inc | ||||
| PDF File 1868315.pdf | 318 kB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868315-A // Continuously loaded conductor // Ellis William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868315-A // Continuously loaded conductor // Ellis William C. // Bell Telephone Labor Inc | ||||
| PDF File 1868309.pdf | 1.76 MB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868309-A // Telephone system // Carpenter Warren W. ; Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.76 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868309-A // Telephone system // Carpenter Warren W. ; Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 1868296.pdf | 1.79 MB | Shaun Ewing | Jul 19, 1932 00:00 |
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US-1868296-A // Automatic telephone system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868296-A // Automatic telephone system // Stokely Ray L. // Bell Telephone Labor Inc |