Name Size Creator Creation Date Labels Comment  
PDF File 2386515.pdf 969 kB Shaun Ewing Oct 09, 1945 00:00
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US-2386515-A // Two-way carrier wave signal transmission system // Swart Leland K. // Bell Telephone Labor Inc
PDF File 2386566.pdf 618 kB Shaun Ewing Oct 09, 1945 00:00
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US-2386566-A // Telegraph signaling system // Nyquist Harry // Bell Telephone Labor Inc
PDF File 2386609.pdf 713 kB Shaun Ewing Oct 09, 1945 00:00
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US-2386609-A // Telephone system // Hubbard Francis A. // Bell Telephone Labor Inc
PDF File 2386633.pdf 1.29 MB Shaun Ewing Oct 09, 1945 00:00
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US-2386633-A // Ceramic material // Rigterink Merle D. // Bell Telephone Labor Inc
PDF File 2386638.pdf 2.03 MB Shaun Ewing Oct 09, 1945 00:00
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US-2386638-A // Power plant // Spencer Harry H. // Bell Telephone Labor Inc
PDF File 2386645.pdf 292 kB Shaun Ewing Oct 09, 1945 00:00
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US-2386645-A // Speed regulating device // Williams Ernest P. // Bell Telephone Labor Inc
PDF File 2386763.pdf 5.86 MB Shaun Ewing Oct 16, 1945 00:00
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US-2386763-A // Record controlled system // Williams Samuel B. // Bell Telephone Labor Inc
PDF File 2386903.pdf 595 kB Shaun Ewing Oct 16, 1945 00:00
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US-2386903-A // Temperature control apparatus // Lutomirski Karel // Bell Telephone Labor Inc
PDF File 2387017.pdf 517 kB Shaun Ewing Oct 16, 1945 00:00
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US-2387017-A // Electric switch // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 2387045.pdf 1.25 MB Shaun Ewing Oct 16, 1945 00:00
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US-2387045-A // Electron beam rotation synchronizing circuit // Skellett Albert M. // Bell Telephone Labor Inc
PDF File 2387269.pdf 1.82 MB Shaun Ewing Oct 23, 1945 00:00
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US-2387269-A // Telephone system // Johnson Kenneth S. // Bell Telephone Labor Inc
PDF File 2387558.pdf 2.57 MB Shaun Ewing Oct 23, 1945 00:00
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US-2387558-A // Teletypewriter testing system // Bonorden Allen R. // Bell Telephone Labor Inc
PDF File 2387584.pdf 433 kB Shaun Ewing Oct 23, 1945 00:00
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US-2387584-A // Card and picture frame // Hose Robert H. ; Niles Eliot W. // Bell Telephone Labor Inc
PDF File 2387652.pdf 892 kB Shaun Ewing Oct 23, 1945 00:00
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US-2387652-A // Signal transmission system // Dickieson Alton C. // Bell Telephone Labor Inc
PDF File 2387671.pdf 1014 kB Shaun Ewing Oct 23, 1945 00:00
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US-2387671-A // Alternating current signal receiver // Lundstrom Alexis A. // Bell Telephone Labor Inc
PDF File 2387712.pdf 572 kB Shaun Ewing Oct 30, 1945 00:00
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US-2387712-A // Transmission system // Black Harold S. // Bell Telephone Labor Inc
PDF File 2387719.pdf 453 kB Shaun Ewing Oct 30, 1945 00:00
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US-2387719-A // Key-equipped telephone set // Curran Stanley T. // Bell Telephone Labor Inc
PDF File 2387825.pdf 535 kB Shaun Ewing Oct 30, 1945 00:00
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US-2387825-A // Conoscope and method of using the same // Bond Walter L. // Bell Telephone Labor Inc
PDF File 2387845.pdf 810 kB Shaun Ewing Oct 30, 1945 00:00
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US-2387845-A // Electroacoustic transducer // Harry William R. // Bell Telephone Labor Inc
PDF File 2388034.pdf 550 kB Shaun Ewing Oct 30, 1945 00:00
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US-2388034-A // Production of primary and secondary amines // Biggs Burnard S. // Bell Telephone Labor Inc
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