Name Size Creator Creation Date Labels Comment  
PDF File 2338410.pdf 344 kB Shaun Ewing Jan 04, 1944 00:00
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US-2338410-A // Push-pull amplifier // Cousins Van M. // Bell Telephone Labor Inc
PDF File 2338434.pdf 1.23 MB Shaun Ewing Jan 04, 1944 00:00
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US-2338434-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2338435.pdf 255 kB Shaun Ewing Jan 04, 1944 00:00
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US-2338435-A // Gain fixture for poles // Hoyt Leon G. // Bell Telephone Labor Inc
PDF File 2338566.pdf 593 kB Shaun Ewing Jan 04, 1944 00:00
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US-2338566-A // Electromagnetic device // Badgley Robert H. // Bell Telephone Labor Inc
PDF File 2338636.pdf 3.01 MB Shaun Ewing Jan 04, 1944 00:00
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US-2338636-A // Automatic billing system // Goodrum Charles L. ; Hinrichsen Edward E. ; Keller Leo // Bell Telephone Labor Inc
PDF File 2338642.pdf 712 kB Shaun Ewing Jan 04, 1944 00:00
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US-2338642-A // Testing and signaling system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2338752.pdf 2.67 MB Shaun Ewing Jan 11, 1944 00:00
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US-2338752-A // Telephone system // Baumfalk John // Bell Telephone Labor Inc
PDF File 2338757.pdf 338 kB Shaun Ewing Jan 11, 1944 00:00
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US-2338757-A // Telephone set // Curran Stanley T. // Bell Telephone Labor Inc
PDF File 2338997.pdf 383 kB Shaun Ewing Jan 11, 1944 00:00
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US-2338997-A // Communication system // Busch Aloysius J. ; Henry Israel H. // Bell Telephone Labor Inc
PDF File 2339029.pdf 561 kB Shaun Ewing Jan 11, 1944 00:00
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US-2339029-A // Thermosensitive relay // Pearson Gerald L. // Bell Telephone Labor Inc
PDF File 2339091.pdf 724 kB Shaun Ewing Jan 11, 1944 00:00
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US-2339091-A // Stabilized halogenated compound and apparatus containing it // Mclean David A. // Bell Telephone Labor Inc
PDF File 2339195.pdf 1.01 MB Shaun Ewing Jan 11, 1944 00:00
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US-2339195-A // Key-operated telephone call transmitter // Richard Charles D. // Bell Telephone Labor Inc
PDF File 2339198.pdf 441 kB Shaun Ewing Jan 11, 1944 00:00
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US-2339198-A // Electric wave circuit // Smith Kenneth D. // Bell Telephone Labor Inc
PDF File 2339210.pdf 436 kB Shaun Ewing Jan 11, 1944 00:00
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US-2339210-A // Screw driver type tool // Volz Arthur H. // Bell Telephone Labor Inc
PDF File 2339404.pdf 977 kB Shaun Ewing Jan 18, 1944 00:00
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US-2339404-A // Switching mechanism // Hibbard Frank H. // Bell Telephone Labor Inc
PDF File 2339406.pdf 520 kB Shaun Ewing Jan 18, 1944 00:00
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US-2339406-A // Electrical transmission system // Holden William H. T. // Bell Telephone Labor Inc
PDF File 2339413.pdf 225 kB Shaun Ewing Jan 18, 1944 00:00
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US-2339413-A // Telephone handset hanger // King Douglas H. // Bell Telephone Labor Inc
PDF File 2339425.pdf 533 kB Shaun Ewing Jan 18, 1944 00:00
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US-2339425-A // Toll switchboard // Porter Leslie F. // Bell Telephone Labor Inc
PDF File 2339465.pdf 1.69 MB Shaun Ewing Jan 18, 1944 00:00
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US-2339465-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc
PDF File 2339490.pdf 1.56 MB Shaun Ewing Jan 18, 1944 00:00
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US-2339490-A // Power supply system // Langabeer Harvey T. // Bell Telephone Labor Inc
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