Name Size Creator Creation Date Labels Comment  
PDF File 1604282.pdf 197 kB Shaun Ewing Oct 26, 1926 00:00
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US-1604282-A // Submarine cable // Haislip Richard A. // American Telephone & Telegraph
PDF File 1604981.pdf 818 kB Shaun Ewing Nov 02, 1926 00:00
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US-1604981-A // Selective circuit // Elsasser Henry W. // American Telephone & Telegraph
PDF File 1605001.pdf 751 kB Shaun Ewing Nov 02, 1926 00:00
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US-1605001-A // Vacuum valve with glow discharge // Schroter Fritz // American Telephone & Telegraph
PDF File 1605010.pdf 697 kB Shaun Ewing Nov 02, 1926 00:00
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US-1605010-A // Signaling system // Stone John Stone // American Telephone & Telegraph
PDF File 1605469.pdf 335 kB Shaun Ewing Nov 02, 1926 00:00
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US-1605469-A // Long-distance cable // Sattelberg Otto // American Telephone & Telegraph
PDF File 1605933.pdf 194 kB Shaun Ewing Nov 09, 1926 00:00
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US-1605933-A // Duplex telegraph system // Gannett Danforth K. // American Telephone & Telegraph
PDF File 1606855.pdf 652 kB Shaun Ewing Nov 16, 1926 00:00
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US-1606855-A // Distortion-measuring system // Watson Edward F. // American Telephone & Telegraph
PDF File 1607668.pdf 352 kB Shaun Ewing Nov 23, 1926 00:00
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US-1607668-A // Carrier transmission over power circuits // Fetter Charles H. // American Telephone & Telegraph
PDF File 1607673.pdf 390 kB Shaun Ewing Nov 23, 1926 00:00
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US-1607673-A // Telephone-substation circuits // Inglis Alfred H. // American Telephone & Telegraph
PDF File 1607682.pdf 491 kB Shaun Ewing Nov 23, 1926 00:00
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US-1607682-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph
PDF File 1607683.pdf 495 kB Shaun Ewing Nov 23, 1926 00:00
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US-1607683-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph
PDF File 1607687.pdf 297 kB Shaun Ewing Nov 23, 1926 00:00
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US-1607687-A // Electrical circuits // Nyquist Harry // American Telephone & Telegraph
PDF File 1607837.pdf 442 kB Shaun Ewing Nov 23, 1926 00:00
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US-1607837-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph
PDF File 1608546.pdf 952 kB Shaun Ewing Nov 30, 1926 00:00
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US-1608546-A // Distortion-measuring system // Clark Alva B. ; Shanck Roy B. // American Telephone & Telegraph
PDF File 1608551.pdf 706 kB Shaun Ewing Nov 30, 1926 00:00
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US-1608551-A // Radio signaling system // Demarest Charles S. ; Bonell Ralph K. // American Telephone & Telegraph
PDF File 1608566.pdf 405 kB Shaun Ewing Nov 30, 1926 00:00
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US-1608566-A // System for binaural transmission of sound // Potter Ralph K. // American Telephone & Telegraph
PDF File 1609394.pdf 859 kB Shaun Ewing Dec 07, 1926 00:00
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US-1609394-A // Telephone system // Bailey Rand S. // American Telephone & Telegraph
PDF File 1610234.pdf 613 kB Shaun Ewing Dec 14, 1926 00:00
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US-1610234-A // Carrier-signaling system // Almquist Milton L. // American Telephone & Telegraph
PDF File 1611124.pdf 838 kB Shaun Ewing Dec 14, 1926 00:00
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US-1611124-A // System of transmission over loaded lines // Nyquist Harry // American Telephone & Telegraph
PDF File 1611223.pdf 251 kB Shaun Ewing Dec 21, 1926 00:00
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US-1611223-A // Apparatus for controlling the frequency of an alternating current // Nyquist Harry // American Telephone & Telegraph
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