Name Size Creator Creation Date Labels Comment  
PDF File 2301189.pdf 274 kB Shaun Ewing Nov 10, 1942 00:00
  • No labels
US-2301189-A // Telephone set cord // Bowne Langford J. // Bell Telephone Labor Inc
PDF File 2301056.pdf 1.05 MB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2301056-A // Timing device // Laskey William G. // Bell Telephone Labor Inc
PDF File 2301023.pdf 620 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2301023-A // Coupling network // Darlington Sidney // Bell Telephone Labor Inc
PDF File 2301015.pdf 3.50 MB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2301015-A // Telephone system // Busch Aloysius J. // Bell Telephone Labor Inc
PDF File 2300984.pdf 797 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300984-A // Table receptacle // Smith Edward M. // Bell Telephone Labor Inc
PDF File 2300951.pdf 3.07 MB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300951-A // Telephone system // Malthaner William A. // Bell Telephone Labor Inc
PDF File 2300829.pdf 4.24 MB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300829-A // Calling line identification system // Gooderham John W. // Bell Telephone Labor Inc
PDF File 2300798.pdf 1.22 MB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300798-A // Variable voice delay network control // Melhose Alfred E. // Bell Telephone Labor Inc
PDF File 2300775.pdf 1.90 MB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300775-A // Communication system // Cole Ira E. ; Melhose Alfred E. ; Tuthill Walter W. // Bell Telephone Labor Inc
PDF File 2300638.pdf 298 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300638-A // Alternating current generator // Wente Edward C. // Bell Telephone Labor Inc
PDF File 2300622.pdf 375 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300622-A // Alternating current generator // Hickman Clarence N. // Bell Telephone Labor Inc
PDF File 2300618.pdf 708 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300618-A // Branch exchange // Dahl Jack F. // Bell Telephone Labor Inc
PDF File 2300546.pdf 311 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300546-A // Dispensing device // Griest Raymond H. // Bell Telephone Labor Inc
PDF File 2300516.pdf 285 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300516-A // Shearing tool // Mesch Orwar S. A. // Bell Telephone Labor Inc
PDF File 2300505.pdf 629 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300505-A // Selective system // Hubbard Francis A. // Bell Telephone Labor Inc
PDF File 2300436.pdf 519 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300436-A // Phase modulation // Skellett Albert M. // Bell Telephone Labor Inc
PDF File 2300429.pdf 444 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300429-A // Protective circuit for oscillators // Meacham Larned A. // Bell Telephone Labor Inc
PDF File 2300415.pdf 742 kB Shaun Ewing Nov 03, 1942 00:00
  • No labels
US-2300415-A // Transmission control // Green Estill I. // Bell Telephone Labor Inc
PDF File 2300371.pdf 554 kB Shaun Ewing Oct 27, 1942 00:00
  • No labels
US-2300371-A // Switching device // Mallina Rudolph F. // Bell Telephone Labor Inc
PDF File 2300366.pdf 718 kB Shaun Ewing Oct 27, 1942 00:00
  • No labels
US-2300366-A // Signal transmission system // Blair Royer R. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 43
  4. 44
  5. 45
  6. 46
  7. 47
  8. 48
  9. 49
  10. 50
  11. 51
  12. 52
  13. 53
  14. 54
  15. 55
  16. 89
  17. Next