Name Size Creator Creation Date Labels Comment  
PDF File 3330583.pdf 430 kB Shaun Ewing Jul 11, 1967 00:00
  • No labels
US-3330583-A // Safety latch // Kennedy Rudolph S. ; Mathison David W. // Bell Telephone Labor Inc
PDF File 3330123.pdf 983 kB Shaun Ewing Jul 11, 1967 00:00
  • No labels
US-3330123-A // Equipment for laying repeaters connected in ocean communication cable // Brewer Sherman T. // Bell Telephone Labor Inc
PDF File 3329884.pdf 496 kB Shaun Ewing Jul 04, 1967 00:00
  • No labels
US-3329884-A // Frequency multiplier utilizing a hybrid junction to provide isolation between the input and output terminals // Gewartowski James W. // Bell Telephone Labor Inc
PDF File 3328874.pdf 440 kB Shaun Ewing Jul 04, 1967 00:00
  • No labels
US-3328874-A // Method and apparatus for manufacturing composite conductors // Davis Claude G. ; Freeman Walter K. ; Phelps James W. // Bell Telephone Labor Inc ; Simplex Wire & Cable Co
PDF File 3328788.pdf 475 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328788-A // Verification of magnetic recording // Taris Charles M. // Bell Telephone Labor Inc
PDF File 3328782.pdf 978 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328782-A // Magnetic memory assembly // Hoagland Bruce S. ; Kirschenbaum Bernard // Bell Telephone Labor Inc
PDF File 3328780.pdf 743 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328780-A // Multiapertured magnetic core storage memory // Newhall Edmunde E. ; Perucca James R. // Bell Telephone Labor Inc
PDF File 3328766.pdf 986 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328766-A // Buffering circuit for repetitive transmission of data characters // Burns Gordon K. ; Madsen Eric V. // Bell Telephone Labor Inc
PDF File 3328723.pdf 492 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328723-A // Optical frequency parametric oscillators and modulators with temperature and electrical control // Giordmaine Joseph A. ; Miller Robert C. // Bell Telephone Labor Inc
PDF File 3328705.pdf 428 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328705-A // Peak detector // Eubanks John M. // Bell Telephone Labor Inc
PDF File 3328702.pdf 291 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328702-A // Pulse train modification circuits // Brown Earl F. // Bell Telephone Labor Inc
PDF File 3328554.pdf 628 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328554-A // Wire heater // Biskeborn Merle C. // Bell Telephone Labor Inc
PDF File 3328538.pdf 853 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328538-A // Operator service indicator and check circuit // Germanton Charles E. // Bell Telephone Labor Inc
PDF File 3328532.pdf 4.94 MB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328532-A // Concentrator trunk preference circuit // Trumbull Allan R. // Bell Telephone Labor Inc
PDF File 3328528.pdf 365 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328528-A // Apparatus for interchanging time and frequency signals // Darlington Sidney // Bell Telephone Labor Inc
PDF File 3328526.pdf 1.04 MB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328526-A // Speech privacy system // Schroeder Manfred R. // Bell Telephone Labor Inc
PDF File 3328525.pdf 541 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328525-A // Speech synthesizer // Jr. John L. Kelly, // Bell Telephone Labor Inc
PDF File 3328514.pdf 342 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3328514-A // Shielded jacketed-pair communications wire // Cogelia Nicholas J. // Bell Telephone Labor Inc
PDF File 3327371.pdf 314 kB Shaun Ewing Jun 27, 1967 00:00
  • No labels
US-3327371-A // Method and apparatus for fabricating slow-wave structures // Kerns Becky T. ; Koontz Donald E. // Bell Telephone Labor Inc
PDF File 3327251.pdf 308 kB Shaun Ewing Jun 20, 1967 00:00
  • No labels
US-3327251-A // Resonance isolator reciprocally absorbing second harmonic power // Jr. John J. Degan, // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 41
  4. 42
  5. 43
  6. 44
  7. 45
  8. 46
  9. 47
  10. 48
  11. 49
  12. 50
  13. 51
  14. 52
  15. 53
  16. 77
  17. Next