Name Size Creator Creation Date Labels Comment  
PDF File 1934416.pdf 745 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934416-A // Vibration translating device // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc
PDF File 1934412.pdf 621 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934412-A // Radio receiving circuit // Englund Carl R. // Bell Telephone Labor Inc
PDF File 1934400.pdf 348 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934400-A // Frequency control system // Bollman John H. // Bell Telephone Labor Inc
PDF File 1934390.pdf 343 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934390-A // Frequency changer // Uphoff Leslie S. // Bell Telephone Labor Inc
PDF File 1934378.pdf 431 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934378-A // Electric discharge device // Ronci Victor L. ; Depew Charles // Bell Telephone Labor Inc
PDF File 1934369.pdf 523 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934369-A // Electric discharge device // Mendenhall Hallam E. // Bell Telephone Labor Inc
PDF File 1934364.pdf 438 kB Shaun Ewing Nov 07, 1933 00:00
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US-1934364-A // Impulse receiving system // Locke George A. // Bell Telephone Labor Inc
PDF File 1933274.pdf 298 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933274-A // Testing device // Ludwig Arthur // Bell Telephone Labor Inc
PDF File 1933272.pdf 393 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933272-A // Electric connecter // Leuvelink Bernard ; Betts Walter L. // Bell Telephone Labor Inc
PDF File 1933264.pdf 470 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933264-A // Coin receptacle // Hoyt Frederick A. // Bell Telephone Labor Inc
PDF File 1933261.pdf 528 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933261-A // Shielding // Harris Henry J. // Bell Telephone Labor Inc
PDF File 1933252.pdf 407 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933252-A // Translating device // Gent Edgar W. // Bell Telephone Labor Inc
PDF File 1933251.pdf 532 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933251-A // Photographic film drive mechanism // Gauthier Marcel C. // Bell Telephone Labor Inc
PDF File 1933248.pdf 504 kB Shaun Ewing Oct 31, 1933 00:00
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US-1933248-A // Radio direction finding // Evans Porter H. ; Greig John W. // Bell Telephone Labor Inc
PDF File 1932816.pdf 407 kB Shaun Ewing Oct 31, 1933 00:00
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US-1932816-A // Remote control device // Gargan John O. ; Browne Bennie O. // Bell Telephone Labor Inc
PDF File 1932465.pdf 962 kB Shaun Ewing Oct 31, 1933 00:00
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US-1932465-A // Radio receiving system // Jensen Axel G. // Bell Telephone Labor Inc
PDF File 1932435.pdf 349 kB Shaun Ewing Oct 31, 1933 00:00
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US-1932435-A // Transmission network // Aiken Charles B. ; Corbin Joseph E. // Bell Telephone Labor Inc
PDF File 1932253.pdf 809 kB Shaun Ewing Oct 24, 1933 00:00
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US-1932253-A // Television system // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 1931886.pdf 295 kB Shaun Ewing Oct 24, 1933 00:00
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US-1931886-A // Acoustic apparatus // Schlenker Vesper A. // Bell Telephone Labor Inc
PDF File 1931877.pdf 770 kB Shaun Ewing Oct 24, 1933 00:00
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US-1931877-A // Testing system for space discharge devices // Samuel Arthur L. // Bell Telephone Labor Inc
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