Assignee
HIRMANN GEORG
CH·4 granted patents·51 citations·filing 1974–1989
Top patents by PatentIndex Score
4 records- 0169US3983834APropulsion system for watercraft and the likeHIRMANN GEORG·Filed 1974·Granted Oct 5, 1976·20 cites·41 claims
- 0257US5096009AMethod and arrangement for displacing forcesHIRMANN GEORG·Filed 1989·Granted Mar 17, 1992·15 cites·13 claims
- 0347US5010969ADrive systemHIRMANN GEORG·Filed 1987·Granted Apr 30, 1991·10 cites·12 claims
- 0437US4925199ADrive deviceHIRMANN GEORG·Filed 1987·Granted May 15, 1990·6 cites·55 claims
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