Individual holder
BUETTNER CARL F
3 granted patents·83 citations·filing 1978–1986
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0186US4225167AVehicle bumpers with collapsible partsBUETTNER CARL F·Filed 1978·Granted Sep 30, 1980·53 cites·2 claims
- 0266US4333674AVehicle bumpers with collapsible partsBUETTNER CARL F·Filed 1980·Granted Jun 8, 1982·23 cites·17 claims
- 0334US4715232AFlow measuring system with backflow preventing meansBUETTNER CARL F·Filed 1986·Granted Dec 29, 1987·7 cites·19 claims
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