Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Protection switching system for cellular control signals

Protection switching system for cellular control signals

US Patent 5959971 · Granted Sep 28, 1999

Estimated economic value: $33,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Light-emitting device2025
Cu—Ni—Si based copper alloy plate, Cu—Ni—Si based copper alloy plate with platin2025
Method of manufacturing asymmetric gear, asymmetric gear, non-circular and asymm2006
Method for recovering chemicals in a process of producing pulp by kraft process2003
Optical fiber connector ferrule with die and method of manufacturing same1998
WACS-type mobile communication with a unified frame format1998
Swash-plate, plunger-type hydraul pressure apparatus1995
Process for removing anthraquinone type scale1985
Process for removing anthraquinone type scale1984
Purification of naphthoquinone1981