Name Size Creator Creation Date Labels Comment  
PDF File 1733165.pdf 403 kB Shaun Ewing Oct 29, 1929 00:00
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US-1733165-A // Synchronizing arrangement for moving-picture projectors // Perry Donald B. // American Telephone & Telegraph
PDF File 1733172.pdf 373 kB Shaun Ewing Oct 29, 1929 00:00
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US-1733172-A // Collapsible support // Stover Herbert F. // American Telephone & Telegraph
PDF File 1734038.pdf 1.24 MB Shaun Ewing Nov 05, 1929 00:00
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US-1734038-A // Electrical transmission of energy // Levy Lucien // American Telephone & Telegraph
PDF File 1734104.pdf 368 kB Shaun Ewing Nov 05, 1929 00:00
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US-1734104-A // Two-way transmission with repeaters // Wright Sumner B. // American Telephone & Telegraph
PDF File 1734112.pdf 520 kB Shaun Ewing Nov 05, 1929 00:00
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US-1734112-A // Radio receiving system // Carson John R. // American Telephone & Telegraph
PDF File 1734113.pdf 317 kB Shaun Ewing Nov 05, 1929 00:00
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US-1734113-A // Telephone repeater circuits // Clark Alva B. ; Crisson George // American Telephone & Telegraph
PDF File 1734124.pdf 966 kB Shaun Ewing Nov 05, 1929 00:00
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US-1734124-A // Universal telephone set // Green Irving W. ; Inglis Alfred H. // American Telephone & Telegraph
PDF File 1735037.pdf 767 kB Shaun Ewing Nov 12, 1929 00:00
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US-1735037-A // Method of and apparatus for reducing width of transmission bands // Carpe Allen // American Telephone & Telegraph
PDF File 1735041.pdf 226 kB Shaun Ewing Nov 12, 1929 00:00
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US-1735041-A // Carrier-telegraph alarm system // Gardner Fred G. // American Telephone & Telegraph
PDF File 1735044.pdf 1009 kB Shaun Ewing Nov 12, 1929 00:00
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US-1735044-A // Frequency-equalization carrier system // Green Estill I. // American Telephone & Telegraph
PDF File 1735052.pdf 637 kB Shaun Ewing Nov 12, 1929 00:00
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US-1735052-A // Phase-compensating networks // Nyquist Harry // American Telephone & Telegraph
PDF File 1735053.pdf 347 kB Shaun Ewing Nov 12, 1929 00:00
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US-1735053-A // Radio signaling system // Ohl Russell S. // American Telephone & Telegraph
PDF File 1735742.pdf 474 kB Shaun Ewing Nov 12, 1929 00:00
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US-1735742-A // Wave filter // Fetter Charles H. // American Telephone & Telegraph
PDF File 1735905.pdf 263 kB Shaun Ewing Nov 19, 1929 00:00
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US-1735905-A // Microphone mounting // Martin William H. ; Strieby Maurice E. // American Telephone & Telegraph
PDF File 1735933.pdf 492 kB Shaun Ewing Nov 19, 1929 00:00
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US-1735933-A // Method of testing telegraph transmission // Nyquist Harry // American Telephone & Telegraph
PDF File 1735939.pdf 155 kB Shaun Ewing Nov 19, 1929 00:00
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US-1735939-A // Drive ring // John Everett St. // American Telephone & Telegraph
PDF File 1735943.pdf 504 kB Shaun Ewing Nov 19, 1929 00:00
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US-1735943-A // Method of and means for testing telegraph transmission // Watson Edward Fisk ; Swezey Burdette Stevens // American Telephone & Telegraph
PDF File 1736783.pdf 619 kB Shaun Ewing Nov 26, 1929 00:00
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US-1736783-A // Measurement of electrical resistance // Gary Laurence A. ; Tasker Homer G. // American Telephone & Telegraph
PDF File 1736785.pdf 529 kB Shaun Ewing Nov 26, 1929 00:00
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US-1736785-A // Measuring system // Haines William T. // American Telephone & Telegraph
PDF File 1736814.pdf 422 kB Shaun Ewing Nov 26, 1929 00:00
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US-1736814-A // Electrical transposition system // Affel Herman A. // American Telephone & Telegraph
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