Name Size Creator Creation Date Labels Comment  
PDF File 2101976.pdf 528 kB Shaun Ewing Dec 14, 1937 00:00
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US-2101976-A // Television system // Blackwell Otto B. ; Herman Joseph // American Telephone & Telegraph
PDF File 2101224.pdf 999 kB Shaun Ewing Dec 07, 1937 00:00
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US-2101224-A // Privacy system // Osborne Harold Smith ; Wright Sumner Bisbee // American Telephone & Telegraph ; Bell Telephone Labor Inc
PDF File 2101209.pdf 513 kB Shaun Ewing Dec 07, 1937 00:00
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US-2101209-A // Signaling system // Bacon Walter Meredith // American Telephone & Telegraph
PDF File 2099800.pdf 702 kB Shaun Ewing Nov 23, 1937 00:00
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US-2099800-A // Shielded circuits for open wire lines // Espenschied Lloyd ; Curtis Harold Everdell // American Telephone & Telegraph
PDF File 2099771.pdf 959 kB Shaun Ewing Nov 23, 1937 00:00
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US-2099771-A // Printing telegraph system // Rea Wilton Treat // American Telephone & Telegraph
PDF File 2099769.pdf 816 kB Shaun Ewing Nov 23, 1937 00:00
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US-2099769-A // Circuits embodying negative impedance // Nyquist Harry // American Telephone & Telegraph
PDF File 2099089.pdf 507 kB Shaun Ewing Nov 16, 1937 00:00
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US-2099089-A // Relay // Weaver Allan // American Telephone & Telegraph
PDF File 2099065.pdf 519 kB Shaun Ewing Nov 16, 1937 00:00
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US-2099065-A // Distributor device // Holden William Henry Towne // American Telephone & Telegraph
PDF File 2098350.pdf 749 kB Shaun Ewing Nov 09, 1937 00:00
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US-2098350-A // Control of signaling circuits // Mitchell Doren // American Telephone & Telegraph
PDF File 2098329.pdf 403 kB Shaun Ewing Nov 09, 1937 00:00
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US-2098329-A // Maintenance of program transmission circuits // Affel Herman Andrew // American Telephone & Telegraph
PDF File 2097578.pdf 291 kB Shaun Ewing Nov 02, 1937 00:00
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US-2097578-A // Apparatus for recording steep wave front voltages of short duration // Swart Leland Kasson ; Bodle David William // American Telephone & Telegraph
PDF File 2097562.pdf 154 kB Shaun Ewing Nov 02, 1937 00:00
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US-2097562-A // Portable pole step // Day Lester Scott // American Telephone & Telegraph
PDF File 2096865.pdf 257 kB Shaun Ewing Oct 26, 1937 00:00
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US-2096865-A // Resetting circuits for gas-filled tubes // Swart Leland Kasson // American Telephone & Telegraph
PDF File 2096841.pdf 271 kB Shaun Ewing Oct 26, 1937 00:00
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US-2096841-A // Telegraph system // Branson David Ernest ; Holden William Henry Towne ; Eyster James Alison // American Telephone & Telegraph
PDF File 2096145.pdf 628 kB Shaun Ewing Oct 19, 1937 00:00
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US-2096145-A // Teletypewriter // Swezey Burdette Stevens // American Telephone & Telegraph
PDF File 2096143.pdf 431 kB Shaun Ewing Oct 19, 1937 00:00
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US-2096143-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph
PDF File 2096108.pdf 726 kB Shaun Ewing Oct 19, 1937 00:00
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US-2096108-A // Teletypewriter switching system // Hoinkis William // American Telephone & Telegraph
PDF File 2095360.pdf 1.89 MB Shaun Ewing Oct 12, 1937 00:00
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US-2095360-A // Television system // Green Estill I. // American Telephone & Telegraph
PDF File 2095341.pdf 502 kB Shaun Ewing Oct 12, 1937 00:00
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US-2095341-A // Electrooptical transmission system // Mertz Pierre // American Telephone & Telegraph
PDF File 2094701.pdf 465 kB Shaun Ewing Oct 05, 1937 00:00
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US-2094701-A // Distortion measuring device for telegraph systems // Harms Gordon J. // American Telephone & Telegraph
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