Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electronic locating system for persons receiving telephone calls

Electronic locating system for persons receiving telephone calls

US Patent 4649385 · Granted Mar 10, 1987

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mobile, ground-based platform security system which transmits images that were t1999
Copper based alloy1992
Adaptive stepper1992
Rack mountable weld controller1990
Input and output peripheral controller cards for use in a programmable logic con1990
Integrated alarm transponder1989
Multiplexed alarm system1988
Shower seat1988
Synchro power amplifier and control circuit for automatically tuning an inductiv1986
Synchro power amplifier and control circuit for automatically tuning an inductiv1986
Switching dc-to-dc converters1986
Switching dc-to-dc converters1985