Inventor

SPRENGER MARTIN

3 patents

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

BOSCH GMBH ROBERT

2 patents

US4251788AFeb 17, 1981

Electromagnetic solenoid operated switch, particularly starter switch for automotive engines

BOSCH GMBH ROBERT16 citations71

US4243964AJan 6, 1981

Electromagnetically operated switch, particularly starter switch for automotive starter motors

BOSCH GMBH ROBERT16 citations69

BUNDESDRUCKEREI GMBH

1 patent

US7427029B2Sep 23, 2008

Valuable document comprising a security element and method for producing said valuable document

BUNDESDRUCKEREI GMBH9 citations76