Assignee
KONTHER SIEGFRIED
3 granted patents·36 citations·filing 1977–1980
Top patents by PatentIndex Score
3 records- 0156US4408578APiston engine as a combustion engine or as a compressor with opposed cylindersKONTHER SIEGFRIED·Filed 1980·Granted Oct 11, 1983·19 cites·2 claims
- 0234US4318370ARotary internal combustion enginesKONTHER SIEGFRIED·Filed 1979·Granted Mar 9, 1982·8 cites·11 claims
- 0334US4178885ARotary piston/cylinder enginesKONTHER SIEGFRIED·Filed 1977·Granted Dec 18, 1979·9 cites·13 claims
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