Name Size Creator Creation Date Labels Comment  
PDF File 1607687.pdf 297 kB Shaun Ewing Nov 23, 1926 00:00
  • No labels
US-1607687-A // Electrical circuits // Nyquist Harry // American Telephone & Telegraph
PDF File 1607683.pdf 495 kB Shaun Ewing Nov 23, 1926 00:00
  • No labels
US-1607683-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph
PDF File 1607682.pdf 491 kB Shaun Ewing Nov 23, 1926 00:00
  • No labels
US-1607682-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph
PDF File 1607673.pdf 390 kB Shaun Ewing Nov 23, 1926 00:00
  • No labels
US-1607673-A // Telephone-substation circuits // Inglis Alfred H. // American Telephone & Telegraph
PDF File 1607668.pdf 352 kB Shaun Ewing Nov 23, 1926 00:00
  • No labels
US-1607668-A // Carrier transmission over power circuits // Fetter Charles H. // American Telephone & Telegraph
PDF File 1606855.pdf 652 kB Shaun Ewing Nov 16, 1926 00:00
  • No labels
US-1606855-A // Distortion-measuring system // Watson Edward F. // American Telephone & Telegraph
PDF File 1605933.pdf 194 kB Shaun Ewing Nov 09, 1926 00:00
  • No labels
US-1605933-A // Duplex telegraph system // Gannett Danforth K. // American Telephone & Telegraph
PDF File 1605469.pdf 335 kB Shaun Ewing Nov 02, 1926 00:00
  • No labels
US-1605469-A // Long-distance cable // Sattelberg Otto // American Telephone & Telegraph
PDF File 1605010.pdf 697 kB Shaun Ewing Nov 02, 1926 00:00
  • No labels
US-1605010-A // Signaling system // Stone John Stone // American Telephone & Telegraph
PDF File 1605001.pdf 751 kB Shaun Ewing Nov 02, 1926 00:00
  • No labels
US-1605001-A // Vacuum valve with glow discharge // Schroter Fritz // American Telephone & Telegraph
PDF File 1604981.pdf 818 kB Shaun Ewing Nov 02, 1926 00:00
  • No labels
US-1604981-A // Selective circuit // Elsasser Henry W. // American Telephone & Telegraph
PDF File 1604282.pdf 197 kB Shaun Ewing Oct 26, 1926 00:00
  • No labels
US-1604282-A // Submarine cable // Haislip Richard A. // American Telephone & Telegraph
PDF File 1604163.pdf 631 kB Shaun Ewing Oct 26, 1926 00:00
  • No labels
US-1604163-A // Means for regulating motors // Herman Joseph // American Telephone & Telegraph
PDF File 1604140.pdf 422 kB Shaun Ewing Oct 26, 1926 00:00
  • No labels
US-1604140-A // Multifrequency oscillator // Affel Herman A. // American Telephone & Telegraph
PDF File 1603329.pdf 368 kB Shaun Ewing Oct 19, 1926 00:00
  • No labels
US-1603329-A // Tapered filter for alternating currents of varying frequency // Dietze Eginhard // American Telephone & Telegraph
PDF File 1603319.pdf 491 kB Shaun Ewing Oct 19, 1926 00:00
  • No labels
US-1603319-A // Telephone repeater // Clark Alva B. // American Telephone & Telegraph
PDF File 1603305.pdf 803 kB Shaun Ewing Oct 19, 1926 00:00
  • No labels
US-1603305-A // Electrical network and method of transmitting electric currents // Zobel Otto J. // American Telephone & Telegraph
PDF File 1602469.pdf 901 kB Shaun Ewing Oct 12, 1926 00:00
  • No labels
US-1602469-A // Electrical transmission of pictures // Watson Edward F. ; Weaver Allan // American Telephone & Telegraph
PDF File 1601808.pdf 924 kB Shaun Ewing Oct 05, 1926 00:00
  • No labels
US-1601808-A // Multiplex signaling system // Nyquist Harry // American Telephone & Telegraph
PDF File 1601796.pdf 101 kB Shaun Ewing Oct 05, 1926 00:00
  • No labels
US-1601796-A // Nail expansion anchor // Gordon George B. // American Telephone & Telegraph
  1. Prev
  2. 1
  3. 31
  4. 32
  5. 33
  6. 34
  7. 35
  8. 36
  9. 37
  10. 38
  11. 39
  12. 40
  13. 41
  14. 42
  15. 43
  16. 70
  17. Next