Inventor

MARQUARDT ERICH

DE7 patents

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

MARQUARDT J & J

3 patents

US3997745ADec 14, 1976

WERMA SIGNALTECHNIK GMBH & CO

2 patents

US6632003B2Oct 14, 2003

Signal apparatus

WERMA SIGNALTECHNIK GMBH & CO24 citations84

US6572242B2Jun 3, 2003

Illuminator for a signal lamp

WERMA SIGNALTECHNIK GMBH & CO6 citations58

WERMA SIGNALGERAETE GMBH & CO

1 patent

US5952915ASep 14, 1999

Signal pillar

WERMA SIGNALGERAETE GMBH & CO36 citations87

MARQUARDT GMBH

1 patent

US4447687AMay 8, 1984

Pushbutton switch

MARQUARDT GMBH6 citations60