Name Size Creator Creation Date Labels Comment  
PDF File 3394268.pdf 544 kB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394268-A // Logic switching circuit // Murphy Bernard T. // Bell Telephone Labor Inc
PDF File 3394232.pdf 6.39 MB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394232-A // Telephone system // Jr. Richard J. Jaeger, ; Riddell George // Bell Telephone Labor Inc
PDF File 3394231.pdf 2.10 MB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394231-A // Communications network control system // Hopper Kenneth D. ; Schwenzfeger Edward E. // Bell Telephone Labor Inc
PDF File 3394230.pdf 1.30 MB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394230-A // Pcm signaling between central offices employing means to prevent unwanted ringing and to provide prompt disconnection of ringing signals // Kinder George W. ; Longton Albert C. // Bell Telephone Labor Inc
PDF File 3394228.pdf 872 kB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394228-A // Apparatus for spectral scaling of speech // Flanagan James L. ; Schroeder Manfred R. // Bell Telephone Labor Inc
PDF File 3394224.pdf 1.00 MB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394224-A // Digital information multiplexing system with synchronizing means // Helm Harry A. // Bell Telephone Labor Inc
PDF File 3394223.pdf 875 kB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394223-A // Data transmission // Witt Russell G. De // Bell Telephone Labor Inc
PDF File 3394081.pdf 503 kB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3394081-A // Synthetic quartz growth using lithium ions in the nutrient solution // Ballman Albert A. ; King James C. ; Laudise Robert A. // Bell Telephone Labor Inc
PDF File 3393729.pdf 442 kB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3393729-A // Heat exchange mantle with interchangeable cartridge means // Sauer Harold A. // Bell Telephone Labor Inc
PDF File 3393552.pdf 284 kB Shaun Ewing Jul 23, 1968 00:00
  • No labels
US-3393552-A // Method for leak testing a seal // Burgess Gordon H. // Bell Telephone Labor Inc
PDF File 3393375.pdf 393 kB Shaun Ewing Jul 16, 1968 00:00
  • No labels
US-3393375-A // Circuits for combining the power outputs of a plurality of negative resistance device oscillators // Barber Mark R. ; Fukui Hatsuaki // Bell Telephone Labor Inc
PDF File 3393326.pdf 255 kB Shaun Ewing Jul 16, 1968 00:00
  • No labels
US-3393326-A // Precision timing of signals employing diode-capacitor network with two current sources providing constant conduction ratio for input signals of varying amplitude // Candy Charles J. N. // Bell Telephone Labor Inc
PDF File 3393298.pdf 477 kB Shaun Ewing Jul 16, 1968 00:00
  • No labels
US-3393298-A // Double-rank binary counter // Olson John W. // Bell Telephone Labor Inc
PDF File 3393275.pdf 380 kB Shaun Ewing Jul 16, 1968 00:00
  • No labels
US-3393275-A // Scanning arrangement employing sinusoidal marking // Hopper Andrew L. // Bell Telephone Labor Inc
PDF File 3392353.pdf 691 kB Shaun Ewing Jul 09, 1968 00:00
  • No labels
US-3392353-A // Maser intracavity phase modulator // Miller Stewart E. // Bell Telephone Labor Inc
PDF File 3392351.pdf 382 kB Shaun Ewing Jul 09, 1968 00:00
  • No labels
US-3392351-A // Gaseous laser employing an active vapor in equilibrium with a liquid coolant // Tien Ping K. // Bell Telephone Labor Inc
PDF File 3392344.pdf 498 kB Shaun Ewing Jul 09, 1968 00:00
  • No labels
US-3392344-A // Linear transistor circuit for negative impedance network // Meacham Larned A. // Bell Telephone Labor Inc
PDF File 3392338.pdf 395 kB Shaun Ewing Jul 09, 1968 00:00
  • No labels
US-3392338-A // High frequency amplifier // Uenohara Michiyuki // Bell Telephone Labor Inc
PDF File 3392336.pdf 535 kB Shaun Ewing Jul 09, 1968 00:00
  • No labels
US-3392336-A // Fade compensating radio reception system // Schroeder Manfred R. // Bell Telephone Labor Inc
PDF File 3391396.pdf 826 kB Shaun Ewing Jul 02, 1968 00:00
  • No labels
US-3391396-A // Magnetic wire memory and core access switch array // Jr. Joseph C. Mcalexander, // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 20
  4. 21
  5. 22
  6. 23
  7. 24
  8. 25
  9. 26
  10. 27
  11. 28
  12. 29
  13. 30
  14. 31
  15. 32
  16. 77
  17. Next