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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1929568.pdf | 441 kB | Shaun Ewing | Oct 10, 1933 00:00 |
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US-1929568-A // Reel // Spowart John B. // American Telephone & Telegraph | |||
| Version 1 (current) | 441 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1929568-A // Reel // Spowart John B. // American Telephone & Telegraph | ||||
| PDF File 1929569.pdf | 473 kB | Shaun Ewing | Oct 10, 1933 00:00 |
|
US-1929569-A // Sound amplifier // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 473 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1929569-A // Sound amplifier // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1929570.pdf | 352 kB | Shaun Ewing | Oct 10, 1933 00:00 |
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US-1929570-A // Protective device // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1929570-A // Protective device // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1929574.pdf | 266 kB | Shaun Ewing | Oct 10, 1933 00:00 |
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US-1929574-A // Backboard mounting // Armstrong Frank C. // American Telephone & Telegraph | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1929574-A // Backboard mounting // Armstrong Frank C. // American Telephone & Telegraph | ||||
| PDF File 1929580.pdf | 207 kB | Shaun Ewing | Oct 10, 1933 00:00 |
|
US-1929580-A // Means for reenforcing cable sleeves // Gray Joseph H. // American Telephone & Telegraph | |||
| Version 1 (current) | 207 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1929580-A // Means for reenforcing cable sleeves // Gray Joseph H. // American Telephone & Telegraph | ||||
| PDF File 1930609.pdf | 162 kB | Shaun Ewing | Oct 17, 1933 00:00 |
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US-1930609-A // Signaling system // Davidsmeyer Orville H. ; Augustine Vernon M. // American Telephone & Telegraph | |||
| Version 1 (current) | 162 kB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930609-A // Signaling system // Davidsmeyer Orville H. ; Augustine Vernon M. // American Telephone & Telegraph | ||||
| PDF File 1930612.pdf | 1.18 MB | Shaun Ewing | Oct 17, 1933 00:00 |
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US-1930612-A // Telephone system // Getz Emil L. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930612-A // Telephone system // Getz Emil L. // American Telephone & Telegraph | ||||
| PDF File 1930616.pdf | 204 kB | Shaun Ewing | Oct 17, 1933 00:00 |
|
US-1930616-A // Signaling system // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 204 kB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930616-A // Signaling system // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1930627.pdf | 366 kB | Shaun Ewing | Oct 17, 1933 00:00 |
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US-1930627-A // Means for improving contact operation // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 366 kB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930627-A // Means for improving contact operation // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1930631.pdf | 631 kB | Shaun Ewing | Oct 17, 1933 00:00 |
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US-1930631-A // Signaling system // Thompson Albert C. // American Telephone & Telegraph | |||
| Version 1 (current) | 631 kB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930631-A // Signaling system // Thompson Albert C. // American Telephone & Telegraph | ||||
| PDF File 1931598.pdf | 424 kB | Shaun Ewing | Oct 24, 1933 00:00 |
|
US-1931598-A // Pilot wire regulator system // Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931598-A // Pilot wire regulator system // Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 1931601.pdf | 535 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931601-A // System of signaling circuits in alpha multiconductor cable // Chapman Arthur G. // American Telephone & Telegraph | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931601-A // System of signaling circuits in alpha multiconductor cable // Chapman Arthur G. // American Telephone & Telegraph | ||||
| PDF File 1931603.pdf | 598 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931603-A // Telephone system // Darrow Wirt Edward // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931603-A // Telephone system // Darrow Wirt Edward // American Telephone & Telegraph | ||||
| PDF File 1931604.pdf | 533 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931604-A // Control apparatus for radioreceivers // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931604-A // Control apparatus for radioreceivers // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1931618.pdf | 319 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931618-A // Switchboard // Nelson Stanley Foushee // American Telephone & Telegraph | |||
| Version 1 (current) | 319 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931618-A // Switchboard // Nelson Stanley Foushee // American Telephone & Telegraph | ||||
| PDF File 1931867.pdf | 995 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931867-A // Battery control system // Holden William H. T. ; Jutson Robert P. ; Larew Joel L. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 995 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931867-A // Battery control system // Holden William H. T. ; Jutson Robert P. ; Larew Joel L. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1932568.pdf | 329 kB | Shaun Ewing | Oct 31, 1933 00:00 |
|
US-1932568-A // Superimposed carrier telephone and carrier telegraph system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932568-A // Superimposed carrier telephone and carrier telegraph system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1932588.pdf | 510 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1932588-A // Volume control system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932588-A // Volume control system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1932589.pdf | 656 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1932589-A // Frequency translating device // Holden William Henry Towne // American Telephone & Telegraph | |||
| Version 1 (current) | 656 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932589-A // Frequency translating device // Holden William Henry Towne // American Telephone & Telegraph | ||||
| PDF File 1932602.pdf | 199 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1932602-A // Electric cable bond // Ratta James A. // American Telephone & Telegraph | |||
| Version 1 (current) | 199 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932602-A // Electric cable bond // Ratta James A. // American Telephone & Telegraph |
