Name Size Creator Creation Date Labels Comment  
PDF File 2463180.pdf 980 kB Shaun Ewing Mar 01, 1949 00:00
  • No labels
US-2463180-A // Method and apparatus for making mosaic targets for electron beams // Johnson John B. // Bell Telephone Labor Inc
PDF File 2462245.pdf 502 kB Shaun Ewing Feb 22, 1949 00:00
  • No labels
US-2462245-A // Space discharge device // Wooten Leland A. // Bell Telephone Labor Inc
PDF File 2462218.pdf 766 kB Shaun Ewing Feb 22, 1949 00:00
  • No labels
US-2462218-A // Electrical translator and method of making it // Olsen Karl M. // Bell Telephone Labor Inc
PDF File 2462162.pdf 348 kB Shaun Ewing Feb 22, 1949 00:00
  • No labels
US-2462162-A // Metallic oxide resistor // Christensen Howard ; Kleimack Joseph J. // Bell Telephone Labor Inc
PDF File 2461878.pdf 766 kB Shaun Ewing Feb 15, 1949 00:00
  • No labels
US-2461878-A // Metallizing composition // Christensen Carl J. ; Rigterink Merle D. ; Treptow Arnold W. // Bell Telephone Labor Inc
PDF File 2461832.pdf 422 kB Shaun Ewing Feb 15, 1949 00:00
  • No labels
US-2461832-A // Phase shifting apparatus // Meacham Larned A. // Bell Telephone Labor Inc
PDF File 2461241.pdf 450 kB Shaun Ewing Feb 08, 1949 00:00
  • No labels
US-2461241-A // Telephone alarm system // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2461202.pdf 548 kB Shaun Ewing Feb 08, 1949 00:00
  • No labels
US-2461202-A // Magnetic testing device // Ellwood Walter B. // Bell Telephone Labor Inc
PDF File 2461200.pdf 632 kB Shaun Ewing Feb 08, 1949 00:00
  • No labels
US-2461200-A // Automatic line voltage compensator and impulse repeater for signaling systems // Dubuar Arthur S. // Bell Telephone Labor Inc
PDF File 2461005.pdf 2.14 MB Shaun Ewing Feb 08, 1949 00:00
  • No labels
US-2461005-A // Ultra high frequency transmission // Southworth George C. // Bell Telephone Labor Inc
PDF File 2460755.pdf 469 kB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460755-A // Receiver protective circuit for pulse transmission systems // Jr. Battle H. Klyce, // Bell Telephone Labor Inc
PDF File 2460743.pdf 1.74 MB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460743-A // Aircraft personnel trainer // Germanton Charles E. // Bell Telephone Labor Inc
PDF File 2460704.pdf 1.11 MB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460704-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2460703.pdf 1.18 MB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460703-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2460702.pdf 658 kB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460702-A // Registration system // Mallery Paul // Bell Telephone Labor Inc
PDF File 2460556.pdf 484 kB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460556-A // Coil arrangement for electromagnetic devices // Wagar Harold N. // Bell Telephone Labor Inc
PDF File 2460520.pdf 1.52 MB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460520-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2460484.pdf 879 kB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460484-A // Electrode unit assembly // Best Fred H. ; Pierce John R. // Bell Telephone Labor Inc
PDF File 2460109.pdf 687 kB Shaun Ewing Jan 25, 1949 00:00
  • No labels
US-2460109-A // Electrical translating device // Southworth George C. // Bell Telephone Labor Inc
PDF File 2460090.pdf 613 kB Shaun Ewing Jan 25, 1949 00:00
  • No labels
US-2460090-A // Frequency selective apparatus // Kannenberg Walter F. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 25
  4. 26
  5. 27
  6. 28
  7. 29
  8. 30
  9. 31
  10. 32
  11. 33
  12. 34
  13. 35
  14. 36
  15. 37
  16. 74
  17. Next