Name Size Creator Creation Date Labels Comment  
PDF File 1970312.pdf 730 kB Shaun Ewing Aug 14, 1934 00:00
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US-1970312-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 1970311.pdf 968 kB Shaun Ewing Aug 14, 1934 00:00
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US-1970311-A // Projection of images for viewing in stereoscopic relief // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 1970310.pdf 383 kB Shaun Ewing Aug 14, 1934 00:00
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US-1970310-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 1969571.pdf 627 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969571-A // Transmission network // Mason Warren P. // Bell Telephone Labor Inc
PDF File 1969559.pdf 466 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969559-A // Acoustic device // Kelly Joseph B. // Bell Telephone Labor Inc
PDF File 1969558.pdf 366 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969558-A // Electrooptical device // Ives Herbert E. // Bell Telephone Labor Inc
PDF File 1969529.pdf 601 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969529-A // Terminal // Jr. Ira C. Shafer, // Bell Telephone Labor Inc
PDF File 1969525.pdf 616 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969525-A // Machine for working glass // Ronci Victor L. // Bell Telephone Labor Inc
PDF File 1969496.pdf 326 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969496-A // Electric discharge device // Beardow George M. // Bell Telephone Labor Inc
PDF File 1969488.pdf 366 kB Shaun Ewing Aug 07, 1934 00:00
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US-1969488-A // Circuit controller // Wagar Harold N. // Bell Telephone Labor Inc
PDF File 1968460.pdf 547 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968460-A // Noise suppression circuit // Llewellyn Frederick B. // Bell Telephone Labor Inc
PDF File 1968457.pdf 1.28 MB Shaun Ewing Jul 31, 1934 00:00
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US-1968457-A // Transmission of intelligence over wires // Knoop William A. // Bell Telephone Laboratoires In
PDF File 1968450.pdf 452 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968450-A // Noise suppression circuit // Heising Raymond A. // Bell Telephone Laboratoires In
PDF File 1968448.pdf 362 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968448-A // Sound measuring system // Harrison Henry C. // Bell Telephone Labor Inc
PDF File 1968447.pdf 196 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968447-A // Underground conduit // Hardesty James M. // Bell Telephone Labor Inc
PDF File 1968438.pdf 518 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968438-A // Driving mechanism for sound recording and reproducing systems // Elmer Lloyd A. // Bell Telephone Labor Inc
PDF File 1968435.pdf 667 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968435-A // Testing circuit // Bertels Arnold S. // Bell Telephone Labor Inc
PDF File 1968429.pdf 790 kB Shaun Ewing Jul 31, 1934 00:00
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US-1968429-A // Sound picture apparatus // Stoller Hugh M. // Bell Telephone Labor Inc
PDF File 1968420.pdf 3.28 MB Shaun Ewing Jul 31, 1934 00:00
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US-1968420-A // Telephone system // Powell Albert C. // Bell Telephone Labor Inc
PDF File 1967250.pdf 540 kB Shaun Ewing Jul 24, 1934 00:00
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US-1967250-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc
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