Name Size Creator Creation Date Labels Comment  
PDF File 2302293.pdf 566 kB Shaun Ewing Nov 17, 1942 00:00
  • No labels
US-2302293-A // Crosstalk reduction // Brown John T. L. // Bell Telephone Labor Inc
PDF File 2249362.pdf 565 kB Shaun Ewing Jul 15, 1941 00:00
  • No labels
US-2249362-A // Operator's position circuit // Irvine Frank S. // Bell Telephone Labor Inc
PDF File 2312932.pdf 565 kB Shaun Ewing Mar 02, 1943 00:00
  • No labels
US-2312932-A // Variable condenser // Rodgers Karl F. // Bell Telephone Labor Inc
PDF File 2320170.pdf 564 kB Shaun Ewing May 25, 1943 00:00
  • No labels
US-2320170-A // Cushion mounting for electrical apparatus // Bishop Walter M. ; Gronros Warren ; Ronci Victor L. // Bell Telephone Labor Inc
PDF File 2346545.pdf 564 kB Shaun Ewing Apr 11, 1944 00:00
  • No labels
US-2346545-A // Electron discharge device circuit // Anderson Frithiof B. // Bell Telephone Labor Inc
PDF File 2357108.pdf 564 kB Shaun Ewing Aug 29, 1944 00:00
  • No labels
US-2357108-A // Switching mechanism // Hartley Ralpli V. L. // Bell Telephone Labor Inc
PDF File 2317222.pdf 563 kB Shaun Ewing Apr 20, 1943 00:00
  • No labels
US-2317222-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc
PDF File 2345825.pdf 563 kB Shaun Ewing Apr 04, 1944 00:00
  • No labels
US-2345825-A // Signaling system // Miller Charles G. // Bell Telephone Labor Inc
PDF File 2269295.pdf 563 kB Shaun Ewing Jan 06, 1942 00:00
  • No labels
US-2269295-A // Compressed band telephony // Vadersen Charles W. // Bell Telephone Labor Inc
PDF File 2231919.pdf 562 kB Shaun Ewing Feb 18, 1941 00:00
  • No labels
US-2231919-A // Grappling device // Kent Robert J. // Bell Telephone Labor Inc
PDF File 2322833.pdf 562 kB Shaun Ewing Jun 29, 1943 00:00
  • No labels
US-2322833-A // Two-way signaling system // Dickieson Alton C. ; Edwards Paul G. // Bell Telephone Labor Inc
PDF File 2289156.pdf 562 kB Shaun Ewing Jul 07, 1942 00:00
  • No labels
US-2289156-A // Electric discharge device // Weinhart Howard W. // Bell Telephone Labor Inc
PDF File 2307868.pdf 562 kB Shaun Ewing Jan 12, 1943 00:00
  • No labels
US-2307868-A // Binary counter // Stibitz George R. // Bell Telephone Labor Inc
PDF File 2339029.pdf 561 kB Shaun Ewing Jan 11, 1944 00:00
  • No labels
US-2339029-A // Thermosensitive relay // Pearson Gerald L. // Bell Telephone Labor Inc
PDF File 2315073.pdf 560 kB Shaun Ewing Mar 30, 1943 00:00
  • No labels
US-2315073-A // Electric circuits // Norton Frank R. // Bell Telephone Labor Inc
PDF File 2254264.pdf 560 kB Shaun Ewing Sept 02, 1941 00:00
  • No labels
US-2254264-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc
PDF File 2308800.pdf 560 kB Shaun Ewing Jan 19, 1943 00:00
  • No labels
US-2308800-A // Electron discharge device // Anderson Alva Eugene // Bell Telephone Labor Inc
PDF File 2302024.pdf 560 kB Shaun Ewing Nov 17, 1942 00:00
  • No labels
US-2302024-A // Method of cutting // Jr. Frank A. Goss, // Bell Telephone Labor Inc
PDF File 2249161.pdf 560 kB Shaun Ewing Jul 15, 1941 00:00
  • No labels
US-2249161-A // Electroacoustic device // Mott Edward E. // Bell Telephone Labor Inc
PDF File 2368060.pdf 559 kB Shaun Ewing Jan 23, 1945 00:00
  • No labels
US-2368060-A // Coating of electron discharge device parts // Wooten Leland A. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 53
  4. 54
  5. 55
  6. 56
  7. 57
  8. 58
  9. 59
  10. 60
  11. 61
  12. 62
  13. 63
  14. 64
  15. 65
  16. 89
  17. Next