Name Size Creator Creation Date Labels Comment  
PDF File 3610826.pdf 460 kB Shaun Ewing Oct 05, 1971 00:00
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US-3610826-A // Selectively shunted relay pulsing circuit // Charles A. Frumusa ; William E. Shaffer // Stromberg Carlson Corp
PDF File 3609761.pdf 591 kB Shaun Ewing Sept 28, 1971 00:00
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US-3609761-A // Volume control and silencing mechanism for ringers having clapper lockout // Amedio D. Petrangelo // Stromberg Carlson Corp
PDF File 3604855.pdf 266 kB Shaun Ewing Sept 14, 1971 00:00
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US-3604855-A // Digital conference circuit for pcm signalling system // Uwe A. Pommerening // Stromberg Carlson Corp
PDF File 3601559.pdf 548 kB Shaun Ewing Aug 24, 1971 00:00
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US-3601559-A // Hookswitch and hold button release mechanism // Edson S. Hineline Jr. // Stromberg Carlson Corp
PDF File 3601547.pdf 488 kB Shaun Ewing Aug 24, 1971 00:00
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US-3601547-A // Cross-point switching arrangements including triggerable avalanche devices // Frank J. Potter // Stromberg Carlson Corp
PDF File 3601542.pdf 1.64 MB Shaun Ewing Aug 24, 1971 00:00
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US-3601542-A // Dynamic recorder system for toll ticketing // Donald R. Gill ; William H. Stewart ; Bernard H. Root // Stromberg Carlson Corp
PDF File 3601538.pdf 853 kB Shaun Ewing Aug 24, 1971 00:00
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US-3601538-A // Carrier and voice-frequency telephone system // Peter J. May ; Uno Randmere ; Frederick C. Sabernick ; Morris A. Suntop // Stromberg Carlson Corp
PDF File 3601537.pdf 373 kB Shaun Ewing Aug 24, 1971 00:00
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US-3601537-A // Method of and detecting circuit for synchronizing master-remote signalling system // Klaus Gueldenpfenning ; Herman L. La Pierre // Stromberg Carlson Corp
PDF File 3588833.pdf 219 kB Shaun Ewing Jun 28, 1971 00:00
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US-3588833-A // Interlaced dynamic data buffer // William F. Bartlett ; Uno Randmere ; Richard Scott // Stromberg Carlson Corp
PDF File 3588368.pdf 363 kB Shaun Ewing Jun 28, 1971 00:00
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US-3588368-A // Space divided link circuit with high impedance current source // Frank J. Potter // Stromberg Carlson Corp
PDF File 3585310.pdf 818 kB Shaun Ewing Jun 15, 1971 00:00
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US-3585310-A // Telephone switching system // Klaus Gueldenpfennig // Stromberg Carlson Corp
PDF File 3585309.pdf 755 kB Shaun Ewing Jun 15, 1971 00:00
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US-3585309-A // Crosspoint network path finding system // Klaus Gueldenpfennig // Stromberg Carlson Corp
PDF File 3582634.pdf 230 kB Shaun Ewing Jun 01, 1971 00:00
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US-3582634-A // Electrical circuit for multiplying serial binary numbers by a parallel number // William F. Bartlett // Stromberg Carlson Corp
PDF File 3577202.pdf 296 kB Shaun Ewing May 04, 1971 00:00
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US-3577202-A // Telephone hybrid arrangement with frequency separation for use with tdm systems // Barrie Brightman // Stromberg Carlson Corp
PDF File 3577154.pdf 479 kB Shaun Ewing May 04, 1971 00:00
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US-3577154-A // Code call facility for electronic telephone exchange // William F. Bartlett // Stromberg Carlson Corp
PDF File 3573376.pdf 274 kB Shaun Ewing Apr 06, 1971 00:00
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US-3573376-A // Signalling system with upper and lower case designations // William F. Bartlett ; Barrie Brightman ; Uno Randmere ; Richard Scott // Stromberg Carlson Corp
PDF File 3566193.pdf 597 kB Shaun Ewing Feb 23, 1971 00:00
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US-3566193-A // Printed circuit card arrangement with support frame and support assembly // Adam A. Jorgensen ; Robert William Bentley ; Edward Urycki // Stromberg Carlson Corp
PDF File 3563257.pdf 419 kB Shaun Ewing Feb 16, 1971 00:00
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US-3563257-A // Collapsible and portable aircraft nose dock // Phil F. Cummins // Stromberg Carlson Corp
PDF File 3560860.pdf 324 kB Shaun Ewing Feb 02, 1971 00:00
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US-3560860-A // Pulse generator of special signal for synchronizing receivers of master-remote system // Klaus Gueldenpfennig // Stromberg Carlson Corp
PDF File 3558825.pdf 1.10 MB Shaun Ewing Jan 26, 1971 00:00
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US-3558825-A // Reverting call arrangement // William W. Pharis // Stromberg Carlson Corp
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