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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1943475.pdf | 488 kB | Shaun Ewing | Jan 16, 1934 00:00 |
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US-1943475-A // System for selective calling of telegraph stations // Gurley Roger K. // American Telephone & Telegraph | |||
| Version 1 (current) | 488 kB | Shaun Ewing | Jan 16, 1934 00:00 | US-1943475-A // System for selective calling of telegraph stations // Gurley Roger K. // American Telephone & Telegraph | ||||
| PDF File 1943478.pdf | 447 kB | Shaun Ewing | Jan 16, 1934 00:00 |
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US-1943478-A // Transmission level control in telegraph signaling systems // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 447 kB | Shaun Ewing | Jan 16, 1934 00:00 | US-1943478-A // Transmission level control in telegraph signaling systems // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1944269.pdf | 1.51 MB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944269-A // Telephone system // Raynsford Arthur ; Haines William T. // Beil Telephone Lab Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.51 MB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944269-A // Telephone system // Raynsford Arthur ; Haines William T. // Beil Telephone Lab Inc ; American Telephone & Telegraph | ||||
| PDF File 1944297.pdf | 372 kB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944297-A // Distortion correcting for transmission lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 372 kB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944297-A // Distortion correcting for transmission lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1944308.pdf | 215 kB | Shaun Ewing | Jan 23, 1934 00:00 |
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US-1944308-A // Transmission system // Turner Howard C. // American Telephone & Telegraph | |||
| Version 1 (current) | 215 kB | Shaun Ewing | Jan 23, 1934 00:00 | US-1944308-A // Transmission system // Turner Howard C. // American Telephone & Telegraph | ||||
| PDF File 1944961.pdf | 799 kB | Shaun Ewing | Jan 30, 1934 00:00 |
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US-1944961-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Jan 30, 1934 00:00 | US-1944961-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph | ||||
| PDF File 1944991.pdf | 873 kB | Shaun Ewing | Jan 30, 1934 00:00 |
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US-1944991-A // Two-way telegraph system // Mccann Thomas A. // American Telephone & Telegraph | |||
| Version 1 (current) | 873 kB | Shaun Ewing | Jan 30, 1934 00:00 | US-1944991-A // Two-way telegraph system // Mccann Thomas A. // American Telephone & Telegraph | ||||
| PDF File 1945639.pdf | 216 kB | Shaun Ewing | Feb 06, 1934 00:00 |
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US-1945639-A // Discharge tube // Holden William Henry Towne // American Telephone & Telegraph | |||
| Version 1 (current) | 216 kB | Shaun Ewing | Feb 06, 1934 00:00 | US-1945639-A // Discharge tube // Holden William Henry Towne // American Telephone & Telegraph | ||||
| PDF File 1946607.pdf | 565 kB | Shaun Ewing | Feb 13, 1934 00:00 |
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US-1946607-A // Amplifier control // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 565 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1946607-A // Amplifier control // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1946615.pdf | 626 kB | Shaun Ewing | Feb 13, 1934 00:00 |
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US-1946615-A // Signaling system // Demarest Charles Sidney // American Telephone & Telegraph | |||
| Version 1 (current) | 626 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1946615-A // Signaling system // Demarest Charles Sidney // American Telephone & Telegraph | ||||
| PDF File 1947588.pdf | 256 kB | Shaun Ewing | Feb 20, 1934 00:00 |
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US-1947588-A // Fuse and mounting therefor // Glezen Lee L. ; Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 256 kB | Shaun Ewing | Feb 20, 1934 00:00 | US-1947588-A // Fuse and mounting therefor // Glezen Lee L. ; Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1947621.pdf | 230 kB | Shaun Ewing | Feb 20, 1934 00:00 |
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US-1947621-A // Reverberation circuit // Schreiber Ernst H. // American Telephone & Telegraph | |||
| Version 1 (current) | 230 kB | Shaun Ewing | Feb 20, 1934 00:00 | US-1947621-A // Reverberation circuit // Schreiber Ernst H. // American Telephone & Telegraph | ||||
| PDF File 1948671.pdf | 346 kB | Shaun Ewing | Feb 27, 1934 00:00 |
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US-1948671-A // Radiotransmission without distortion // Potter Ralph Kimball // American Telephone & Telegraph | |||
| Version 1 (current) | 346 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948671-A // Radiotransmission without distortion // Potter Ralph Kimball // American Telephone & Telegraph | ||||
| PDF File 1948675.pdf | 375 kB | Shaun Ewing | Feb 27, 1934 00:00 |
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US-1948675-A // Artificial line and attenuator of constant resistance // Rhodes Harold A. // American Telephone & Telegraph | |||
| Version 1 (current) | 375 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948675-A // Artificial line and attenuator of constant resistance // Rhodes Harold A. // American Telephone & Telegraph | ||||
| PDF File 1949570.pdf | 400 kB | Shaun Ewing | Mar 06, 1934 00:00 |
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US-1949570-A // Power distributing system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 400 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1949570-A // Power distributing system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1949584.pdf | 421 kB | Shaun Ewing | Mar 06, 1934 00:00 |
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US-1949584-A // Means for controlling telegraph bias // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Mar 06, 1934 00:00 | US-1949584-A // Means for controlling telegraph bias // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1950541.pdf | 426 kB | Shaun Ewing | Mar 13, 1934 00:00 |
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US-1950541-A // Carrier frequency receiving circuits // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 426 kB | Shaun Ewing | Mar 13, 1934 00:00 | US-1950541-A // Carrier frequency receiving circuits // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 1950552.pdf | 300 kB | Shaun Ewing | Mar 13, 1934 00:00 |
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US-1950552-A // Relay cover // Hansen Arnold A. // American Telephone & Telegraph | |||
| Version 1 (current) | 300 kB | Shaun Ewing | Mar 13, 1934 00:00 | US-1950552-A // Relay cover // Hansen Arnold A. // American Telephone & Telegraph | ||||
| PDF File 1951465.pdf | 721 kB | Shaun Ewing | Mar 20, 1934 00:00 |
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US-1951465-A // Echo suppressor // Wright Sumner B. ; Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Mar 20, 1934 00:00 | US-1951465-A // Echo suppressor // Wright Sumner B. ; Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1951482.pdf | 454 kB | Shaun Ewing | Mar 20, 1934 00:00 |
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US-1951482-A // Alternating current power reserve system // Holden William Henry Towne // American Telephone & Telegraph | |||
| Version 1 (current) | 454 kB | Shaun Ewing | Mar 20, 1934 00:00 | US-1951482-A // Alternating current power reserve system // Holden William Henry Towne // American Telephone & Telegraph |
