Name Size Creator Creation Date Labels Comment  
PDF File 3164831.pdf 1.07 MB Shaun Ewing Jan 05, 1965 00:00
  • No labels
US-3164831-A // Automatic gain control circuits for directive receiving systems // Mraz William L. // Bell Telephone Labor Inc
PDF File 3164835.pdf 705 kB Shaun Ewing Jan 05, 1965 00:00
  • No labels
US-3164835-A // Alignment of microwave antenna // Alsberg Dietrich A. // Bell Telephone Labor Inc
PDF File 3165583.pdf 986 kB Shaun Ewing Jan 12, 1965 00:00
  • No labels
US-3165583-A // Two-tone transmission system for digital data // Kretzmer Ernest R. ; Winter Ralph A. // Bell Telephone Labor Inc
PDF File 3165590.pdf 655 kB Shaun Ewing Jan 12, 1965 00:00
  • No labels
US-3165590-A // Speech transmission through telephone ringing circuit // Brooks Chester E. ; Jr. George B. Crofutt, ; Sand William C. // Bell Telephone Labor Inc
PDF File 3165696.pdf 1.21 MB Shaun Ewing Jan 12, 1965 00:00
  • No labels
US-3165696-A // Collector voltage control circuit for traveling wave tube employed in a radio repeater // Poole Kenneth M. // Bell Telephone Labor Inc
PDF File 3165725.pdf 324 kB Shaun Ewing Jan 12, 1965 00:00
  • No labels
US-3165725-A // Protected amplifying device // Kelcourse Francis C. // Bell Telephone Labor Inc
PDF File 3165811.pdf 659 kB Shaun Ewing Jan 19, 1965 00:00
  • No labels
US-3165811-A // Process of epitaxial vapor deposition with subsequent diffusion into the epitaxial layer // Kleimack Joseph J. ; Loar Howard H. ; Theuerer Henry C. // Bell Telephone Labor Inc
PDF File 3166642.pdf 1.21 MB Shaun Ewing Jan 19, 1965 00:00
  • No labels
US-3166642-A // Signaling arrangement // Abbott Henry H. // Bell Telephone Labor Inc
PDF File 3166734.pdf 1.86 MB Shaun Ewing Jan 19, 1965 00:00
  • No labels
US-3166734-A // Signal assembler comprising a delay line and shift register loop // Helfrich John H. // Bell Telephone Labor Inc
PDF File 3166749.pdf 798 kB Shaun Ewing Jan 19, 1965 00:00
  • No labels
US-3166749-A // Communication station employing an antenna array // Schelleng John C. ; Tillotson Le Roy C. // Bell Telephone Labor Inc
PDF File 3167679.pdf 751 kB Shaun Ewing Jan 26, 1965 00:00
  • No labels
US-3167679-A // Cathode structure // Lyon Laurence G. ; West John W. // Bell Telephone Labor Inc
PDF File 3167692.pdf 694 kB Shaun Ewing Jan 26, 1965 00:00
  • No labels
US-3167692-A // Superconducting device consisting of a niobium-titanium composition // Matthias Bernd T. // Bell Telephone Labor Inc
PDF File 3168649.pdf 768 kB Shaun Ewing Feb 02, 1965 00:00
  • No labels
US-3168649-A // Shift register employing bistable multiregion semiconductive devices // Meyers Stanley T. // Bell Telephone Labor Inc
PDF File 3168657.pdf 1.05 MB Shaun Ewing Feb 02, 1965 00:00
  • No labels
US-3168657-A // Pulse distributor utilizing one bistable device per stage // Wells George W. // Bell Telephone Labor Inc
PDF File 3169167.pdf 2.65 MB Shaun Ewing Feb 09, 1965 00:00
  • No labels
US-3169167-A // Telephone pay station // Jr. Walter D. Goodale, ; Pferd William // Bell Telephone Labor Inc
PDF File 3169168.pdf 513 kB Shaun Ewing Feb 09, 1965 00:00
  • No labels
US-3169168-A // Validity checking circuit // Capranica Robert R. // Bell Telephone Labor Inc
PDF File 3169245.pdf 474 kB Shaun Ewing Feb 09, 1965 00:00
  • No labels
US-3169245-A // Passive repeaters for satellite communication systems // Cutler Cassius C. // Bell Telephone Labor Inc
PDF File 3169246.pdf 713 kB Shaun Ewing Feb 09, 1965 00:00
  • No labels
US-3169246-A // Antenna array of same directed horn reflector units supported in a side-by-side manner // Cook John S. ; Hines John N. // Bell Telephone Labor Inc
PDF File 3169625.pdf 1.68 MB Shaun Ewing Feb 16, 1965 00:00
  • No labels
US-3169625-A // Coin chute for coin operated telephone // Peterson Jerry L. // Bell Telephone Labor Inc
PDF File 3170039.pdf 1.16 MB Shaun Ewing Feb 16, 1965 00:00
  • No labels
US-3170039-A // Coin telephone control apparatus // Andregg Ernest R. ; Strommen Lawrence A. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 63
  4. 64
  5. 65
  6. 66
  7. 67
  8. 68
  9. 69
  10. 70
  11. 71
  12. 72
  13. 73
  14. 74
  15. 75
  16. 86
  17. Next