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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2248040.pdf | 1.14 MB | Shaun Ewing | Jul 08, 1941 00:00 |
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US-2248040-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Jul 08, 1941 00:00 | US-2248040-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc | ||||
| PDF File 2287105.pdf | 1.13 MB | Shaun Ewing | Jun 23, 1942 00:00 |
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US-2287105-A // Electronic organ // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287105-A // Electronic organ // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2240941.pdf | 1.13 MB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240941-A // Oscillation source of the spark discharge gap type // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | May 06, 1941 00:00 | US-2240941-A // Oscillation source of the spark discharge gap type // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2303930.pdf | 1.13 MB | Shaun Ewing | Dec 01, 1942 00:00 |
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US-2303930-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Dec 01, 1942 00:00 | US-2303930-A // Electro-optical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2313842.pdf | 1.12 MB | Shaun Ewing | Mar 16, 1943 00:00 |
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US-2313842-A // Steatite type ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Mar 16, 1943 00:00 | US-2313842-A // Steatite type ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc | ||||
| PDF File 2360932.pdf | 1.12 MB | Shaun Ewing | Oct 24, 1944 00:00 |
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US-2360932-A // Negative resistance loading // Bullington Robert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Oct 24, 1944 00:00 | US-2360932-A // Negative resistance loading // Bullington Robert K. // Bell Telephone Labor Inc | ||||
| PDF File 2362359.pdf | 1.12 MB | Shaun Ewing | Nov 07, 1944 00:00 |
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US-2362359-A // Attenuation regulator // Darlington Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Nov 07, 1944 00:00 | US-2362359-A // Attenuation regulator // Darlington Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2284555.pdf | 1.12 MB | Shaun Ewing | May 26, 1942 00:00 |
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US-2284555-A // Signaling system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | May 26, 1942 00:00 | US-2284555-A // Signaling system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2231375.pdf | 1.12 MB | Shaun Ewing | Feb 11, 1941 00:00 |
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US-2231375-A // Multiplex telegraph system // Watson Edward F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Feb 11, 1941 00:00 | US-2231375-A // Multiplex telegraph system // Watson Edward F. // Bell Telephone Labor Inc | ||||
| PDF File 2328674.pdf | 1.11 MB | Shaun Ewing | Sept 07, 1943 00:00 |
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US-2328674-A // Regenerative repeater for inverse neutral telegraph systems // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Sept 07, 1943 00:00 | US-2328674-A // Regenerative repeater for inverse neutral telegraph systems // Rea Wilton T. // Bell Telephone Labor Inc | ||||
| PDF File 2319333.pdf | 1.11 MB | Shaun Ewing | May 18, 1943 00:00 |
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US-2319333-A // Service observing system // Logan Mason A. ; Schimpf Luther G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | May 18, 1943 00:00 | US-2319333-A // Service observing system // Logan Mason A. ; Schimpf Luther G. // Bell Telephone Labor Inc | ||||
| PDF File 2271320.pdf | 1.11 MB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271320-A // Coin collector // Vieth Leonard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271320-A // Coin collector // Vieth Leonard // Bell Telephone Labor Inc | ||||
| PDF File 2268195.pdf | 1.11 MB | Shaun Ewing | Dec 30, 1941 00:00 |
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US-2268195-A // Electron discharge device // Winans Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268195-A // Electron discharge device // Winans Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2310749.pdf | 1.11 MB | Shaun Ewing | Feb 09, 1943 00:00 |
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US-2310749-A // Singaling system // Ressler Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Feb 09, 1943 00:00 | US-2310749-A // Singaling system // Ressler Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2332977.pdf | 1.11 MB | Shaun Ewing | Oct 26, 1943 00:00 |
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US-2332977-A // Space discharge device and circuits // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Oct 26, 1943 00:00 | US-2332977-A // Space discharge device and circuits // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2315456.pdf | 1.11 MB | Shaun Ewing | Mar 30, 1943 00:00 |
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US-2315456-A // Call indicator // Schimpf Luther G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Mar 30, 1943 00:00 | US-2315456-A // Call indicator // Schimpf Luther G. // Bell Telephone Labor Inc | ||||
| PDF File 2306729.pdf | 1.11 MB | Shaun Ewing | Dec 29, 1942 00:00 |
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US-2306729-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Dec 29, 1942 00:00 | US-2306729-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2319357.pdf | 1.10 MB | Shaun Ewing | May 18, 1943 00:00 |
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US-2319357-A // Variable air-gap crystal holder // Thurston George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | May 18, 1943 00:00 | US-2319357-A // Variable air-gap crystal holder // Thurston George M. // Bell Telephone Labor Inc | ||||
| PDF File 2263993.pdf | 1.10 MB | Shaun Ewing | Nov 25, 1941 00:00 |
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US-2263993-A // Preparation of purified rubber and rubber-like materials // Kemp Archie R. ; Peters Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Nov 25, 1941 00:00 | US-2263993-A // Preparation of purified rubber and rubber-like materials // Kemp Archie R. ; Peters Henry // Bell Telephone Labor Inc | ||||
| PDF File 2271625.pdf | 1.10 MB | Shaun Ewing | Feb 03, 1942 00:00 |
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US-2271625-A // Synchronizing system // Cole Ira E. ; Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Feb 03, 1942 00:00 | US-2271625-A // Synchronizing system // Cole Ira E. ; Melhose Alfred E. // Bell Telephone Labor Inc |
