Inventor

STONE RICHARD S

2 patents

⚠️ This page may combine multiple inventors who share the name “STONE RICHARD S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BRADY USA INC

1 patent

US5300908AApr 5, 1994

High speed solenoid

BRADY USA INC32 citations88

GUARDIAN ELECTRIC MFG CO

1 patent

US4342973AAug 3, 1982

Solenoid annunciator

GUARDIAN ELECTRIC MFG CO7 citations62