Inventor

O'BRIEN III EDWARD R

US3 patents

⚠️ This page may combine multiple inventors who share the name “O'BRIEN III EDWARD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPD TECH INC

2 patents

US4922372AMay 1, 1990

Solid state overcurrent protection system for circuit breakers

SPD TECH INC1 citations45

US5204797AApr 20, 1993

Solid state overcurrent protection system for circuit breakers

SPD TECH INC1 citations39

ACCUTOME INC

1 patent

US4546773AOct 15, 1985

Apparatus to measure conical thickness

ACCUTOME INC60 citations90