Individual holder
SAWYER ROBERT D
US·7 granted patents·235 citations·filing 1978–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0194US4150808AConcrete construction form panelSAWYER ROBERT D·Filed 1978·Granted Apr 24, 1979·76 cites·9 claims
- 0292US5098059AConcrete forming member for use in concrete castingSAWYER ROBERT D·Filed 1990·Granted Mar 24, 1992·67 cites·29 claims
- 0383US4239173AConcrete construction form and tie rodSAWYER ROBERT D·Filed 1978·Granted Dec 16, 1980·37 cites·7 claims
- 0458US5165512AMechanism for raising and lowering an inclined portable conveyorSAWYER ROBERT D·Filed 1991·Granted Nov 24, 1992·19 cites·10 claims
- 0552US5083740ASpring-loaded locking pin for concrete formsSAWYER ROBERT D·Filed 1991·Granted Jan 28, 1992·21 cites·9 claims
- 0644US4955955APortable conveyor assemblySAWYER ROBERT D·Filed 1989·Granted Sep 11, 1990·9 cites·13 claims
- 0735US5119928AEngine mounting construction for a portable conveyorSAWYER ROBERT D·Filed 1990·Granted Jun 9, 1992·6 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →