Name Size Creator Creation Date Labels Comment  
PDF File 2426633.pdf 487 kB Shaun Ewing Sept 02, 1947 00:00
  • No labels
US-2426633-A // Wave transmission network // Mason Warren P. // Bell Telephone Labor Inc
PDF File 2414488.pdf 487 kB Shaun Ewing Jan 21, 1947 00:00
  • No labels
US-2414488-A // Heat responsive communication signal repeater // Shanck Roy B. // Bell Telephone Labor Inc
PDF File 2509068.pdf 487 kB Shaun Ewing May 23, 1950 00:00
  • No labels
US-2509068-A // Polarimetric method and means of determining the degree of alignment of fibers // Mcmahon William // Bell Telephone Labor Inc
PDF File 2530956.pdf 486 kB Shaun Ewing Nov 21, 1950 00:00
  • No labels
US-2530956-A // Electrographic recording // Gibney Robert B. // Bell Telephone Labor Inc
PDF File 2530943.pdf 486 kB Shaun Ewing Nov 21, 1950 00:00
  • No labels
US-2530943-A // Intercommunicating telephone system // Duhnkrack George H. // Bell Telephone Labor Inc
PDF File 2460556.pdf 484 kB Shaun Ewing Feb 01, 1949 00:00
  • No labels
US-2460556-A // Coil arrangement for electromagnetic devices // Wagar Harold N. // Bell Telephone Labor Inc
PDF File 2451556.pdf 484 kB Shaun Ewing Oct 19, 1948 00:00
  • No labels
US-2451556-A // Electrode structure for gaseous discharge devices // Holdaway Vivian L. // Bell Telephone Labor Inc
PDF File 2393601.pdf 483 kB Shaun Ewing Jan 29, 1946 00:00
  • No labels
US-2393601-A // Deflecting circuit // Jr. Millard W. Baldwin, // Bell Telephone Labor Inc
PDF File 2408093.pdf 483 kB Shaun Ewing Sept 24, 1946 00:00
  • No labels
US-2408093-A // Method of making wire-wound cardtype resistance devices // Patterson Everett M. // Bell Telephone Labor Inc
PDF File 2469977.pdf 483 kB Shaun Ewing May 10, 1949 00:00
  • No labels
US-2469977-A // Pulser circuit // Morrison Howard // Bell Telephone Labor Inc
PDF File 2475002.pdf 482 kB Shaun Ewing Jul 05, 1949 00:00
  • No labels
US-2475002-A // Stabilization of cured polymers // Biggs Burnard S. // Bell Telephone Labor Inc
PDF File 2477246.pdf 482 kB Shaun Ewing Jul 26, 1949 00:00
  • No labels
US-2477246-A // Submarine signaling device // Gillespie Rollin W. // Bell Telephone Labor Inc
PDF File 2455386.pdf 482 kB Shaun Ewing Dec 07, 1948 00:00
  • No labels
US-2455386-A // Ringer circuit // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2418117.pdf 482 kB Shaun Ewing Apr 01, 1947 00:00
  • No labels
US-2418117-A // Electron discharge device // Hale Douglas A. S. ; Ronci Victor L. // Bell Telephone Labor Inc
PDF File 2503559.pdf 481 kB Shaun Ewing Apr 11, 1950 00:00
  • No labels
US-2503559-A // Electrical terminal // Miloche Herman A. // Bell Telephone Labor Inc
PDF File 2448573.pdf 481 kB Shaun Ewing Sept 07, 1948 00:00
  • No labels
US-2448573-A // Cathode structure for electron discharge devices // Blazier Charles R. ; Hale Douglas A. S. // Bell Telephone Labor Inc
PDF File 2468179.pdf 480 kB Shaun Ewing Apr 26, 1949 00:00
  • No labels
US-2468179-A // Tracking device // Darlington Sidney ; Lovell Clarence A. // Bell Telephone Labor Inc
PDF File 2422212.pdf 480 kB Shaun Ewing Jun 17, 1947 00:00
  • No labels
US-2422212-A // Adjustable step-by-step motor // Shann Oscar A. // Bell Telephone Labor Inc
PDF File 2532728.pdf 479 kB Shaun Ewing Dec 05, 1950 00:00
  • No labels
US-2532728-A // Gas-filled tube circuit // Lewis Benjamin F. // Bell Telephone Labor Inc
PDF File 2520640.pdf 479 kB Shaun Ewing Aug 29, 1950 00:00
  • No labels
US-2520640-A // Electroacoustic transducer // Kreisel Ralph R. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 48
  4. 49
  5. 50
  6. 51
  7. 52
  8. 53
  9. 54
  10. 55
  11. 56
  12. 57
  13. 58
  14. 59
  15. 60
  16. 74
  17. Next