Name Size Creator Creation Date Labels Comment  
PDF File 1863292.pdf 2.44 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863292-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc
PDF File 1863141.pdf 3.00 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863141-A // Time of day announcing system // Prince William B. // Bell Telephone Labor Inc
PDF File 1863139.pdf 3.52 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863139-A // Time of day announcing system // Massonneau Robert F. // Bell Telephone Labor Inc
PDF File 1863137.pdf 3.27 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863137-A // Time of day announcing system // Keckler Charles W. ; Hague Alfred E. // Bell Telephone Labor Inc
PDF File 1863089.pdf 1.98 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863089-A // Remote control system // Field Joseph C. // Bell Telephone Labor Inc
PDF File 1863086.pdf 707 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863086-A // Telephone system // Curley Thomas V. // Bell Telephone Labor Inc
PDF File 1863073.pdf 676 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863073-A // Method and means for tensioning and for mounting diaphragms // Smythe Edwin H. // Bell Telephone Labor Inc
PDF File 1863072.pdf 1.03 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863072-A // Sound radiator and method of making the same // Smythe Edwin H. // Bell Telephone Labor Inc
PDF File 1863048.pdf 270 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1863048-A // Method of joining wires // Hayford Walter S. // Bell Telephone Labor Inc
PDF File 1862582.pdf 513 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862582-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc
PDF File 1862578.pdf 619 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862578-A // Signaling system // Murphy Paul B. // Bell Telephone Labor Inc
PDF File 1862571.pdf 454 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862571-A // Terminal strip // Goff Harold W. // Bell Telephone Labor Inc
PDF File 1862570.pdf 476 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862570-A // Electrical condenser // Given Frederick J. // Bell Telephone Labor Inc
PDF File 1862569.pdf 324 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862569-A // Remote control device // Gargan John O. // Bell Telephone Labor Inc
PDF File 1862559.pdf 377 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862559-A // Workable magnetic compositions containing principally iron and cobalt // White John H. ; Wahl Charles V. // Bell Telephone Labor Inc
PDF File 1862554.pdf 1.20 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862554-A // Acoustic device // Smythe Edwin H. // Bell Telephone Labor Inc
PDF File 1862552.pdf 481 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862552-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc
PDF File 1862549.pdf 6.94 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862549-A // Telephone system // Raymond Ralph ; Scully Walter J. // Bell Telephone Labor Inc
PDF File 1862532.pdf 473 kB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862532-A // Telephone system // Ferguson James G. // Bell Telephone Labor Inc
PDF File 1862519.pdf 3.28 MB Shaun Ewing Jun 14, 1932 00:00
  • No labels
US-1862519-A // Time of day announcing system // Brown Horatio G. W. // Bell Telephone Labor Inc
  1. Prev
  2. 1
  3. 122
  4. 123
  5. 124
  6. 125
  7. 126
  8. 127
  9. 128
  10. 129
  11. 130
  12. 131
  13. 132
  14. 133
  15. 134
  16. 150
  17. Next