Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optically coupled solid state relay

Optically coupled solid state relay

US Patent 4413193 · Granted Nov 1, 1983

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hand free card holder2017
Circuit and method for controlling speed of an alternating current motor1984
U-Core pulse transformer1982