Inventor

HAGER MARK

US3 patents

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

GEN RAILWAY SIGNAL CORP

2 patents

US5669587ASep 23, 1997

Point detection and indication with latch out means

GEN RAILWAY SIGNAL CORP36 citations86

US5504405AApr 2, 1996

Switch machine controller with fail safe mechanism

GEN RAILWAY SIGNAL CORP16 citations68

ALSTOM SIGNALING INC

1 patent

US5909182AJun 1, 1999

Vandal resistant light signal unit

ALSTOM SIGNALING INC8 citations67