Name Size Creator Creation Date Labels Comment  
PDF File 1943683.pdf 591 kB Shaun Ewing Jan 16, 1934 00:00
  • No labels
US-1943683-A // Signal repeater // Long James W. // Western Union Telegraph Co
PDF File 1943654.pdf 1.09 MB Shaun Ewing Jan 16, 1934 00:00
  • No labels
US-1943654-A // Monitor printer system for quotation boards // Collings Frederick C. // Western Union Telegraph Co
PDF File 1941916.pdf 1.06 MB Shaun Ewing Jan 02, 1934 00:00
  • No labels
US-1941916-A // Combined keyboard transmitter and perforated tape transmitter // Rothermel Samuel W. // Western Union Telegraph Co
PDF File 1941904.pdf 664 kB Shaun Ewing Jan 02, 1934 00:00
  • No labels
US-1941904-A // Tape easel for page printers // Long James W. ; Collings Thomas G. // Western Union Telegraph Co
PDF File 1941144.pdf 666 kB Shaun Ewing Dec 26, 1933 00:00
  • No labels
US-1941144-A // Strap conveyer system // Beardsley Bruce ; Chadbourne William C. ; Smith Maurice B. // Western Union Telegraph Co
PDF File 1941123.pdf 650 kB Shaun Ewing Dec 26, 1933 00:00
  • No labels
US-1941123-A // Drag conveyer discharge deflector // Wright Walter J. // Western Union Telegraph Co
PDF File 1941102.pdf 566 kB Shaun Ewing Dec 26, 1933 00:00
  • No labels
US-1941102-A // Balancing ocean cable // Milnor Joseph W. // Western Union Telegraph Co
PDF File 1937894.pdf 1.26 MB Shaun Ewing Dec 05, 1933 00:00
  • No labels
US-1937894-A // Time service synchronizing system // Janson George W. // Western Union Telegraph Co
PDF File 1936956.pdf 497 kB Shaun Ewing Nov 28, 1933 00:00
  • No labels
US-1936956-A // Combined perforating and printing mechanism // Rothermel Samuel W. // Western Union Telegraph Co
PDF File 1936947.pdf 1.35 MB Shaun Ewing Nov 28, 1933 00:00
  • No labels
US-1936947-A // Telegraph system // Morgenstern Ronald V. ; Hackenberg John H. // Western Union Telegraph Co
PDF File 1934617.pdf 816 kB Shaun Ewing Nov 07, 1933 00:00
  • No labels
US-1934617-A // Conveyer system // Birkmeyer Paul J. // Western Union Telegraph Co
PDF File 1934059.pdf 619 kB Shaun Ewing Nov 07, 1933 00:00
  • No labels
US-1934059-A // Transfer mechanism for belt conveyers // Griffith Francis ; Arsdale Elvin R. Van // Western Union Telegraph Co
PDF File 1933526.pdf 1.29 MB Shaun Ewing Oct 31, 1933 00:00
  • No labels
US-1933526-A // System for testing clock setting circuits // Janson George W. ; Callahan William F. // Western Union Telegraph Co
PDF File 1932997.pdf 655 kB Shaun Ewing Oct 31, 1933 00:00
  • No labels
US-1932997-A // Carrier current telegraphy // Wilder Harold F. // Western Union Telegraph Co
PDF File 1932977.pdf 592 kB Shaun Ewing Oct 31, 1933 00:00
  • No labels
US-1932977-A // Display apparatus for bulletin printers // Long James W. ; Collings Thomas G. // Western Union Telegraph Co
PDF File 1932665.pdf 994 kB Shaun Ewing Oct 31, 1933 00:00
  • No labels
US-1932665-A // Regenerative repeater // Hicks Raymond M. ; Leroy Everett R. ; Collings Frederick C. // Western Union Telegraph Co ; Teleregister Corp
PDF File 1931790.pdf 1.29 MB Shaun Ewing Oct 24, 1933 00:00
  • No labels
US-1931790-A // Receiving recorder // Dirkes Robert F. ; Kimball Vernon R. // Western Union Telegraph Co
PDF File 1931789.pdf 492 kB Shaun Ewing Oct 24, 1933 00:00
  • No labels
US-1931789-A // Speed-counting stroboscope // Dickey Albert W. // Western Union Telegraph Co
PDF File 1929947.pdf 1.19 MB Shaun Ewing Oct 10, 1933 00:00
  • No labels
US-1929947-A // Cable signal repeater // Haglund Hakon H. // Western Union Telegraph Co
PDF File 1928586.pdf 875 kB Shaun Ewing Sept 26, 1933 00:00
  • No labels
US-1928586-A // Machine switching for printer concentrator circuits // Blanton William B. // Western Union Telegraph Co
  1. Prev
  2. 1
  3. 17
  4. 18
  5. 19
  6. 20
  7. 21
  8. 22
  9. 23
  10. 24
  11. 25
  12. 26
  13. 27
  14. 28
  15. 29
  16. 42
  17. Next