Individual holder
JOHNSTON WILLIAM T
US·4 granted patents·53 citations·filing 1986–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0170US4905458ASaddle girthJOHNSTON WILLIAM T·Filed 1988·Granted Mar 6, 1990·34 cites·9 claims
- 0265USD312599STailgate reinforcementJOHNSTON WILLIAM T·Filed 1988·Granted Dec 4, 1990·12 cites·1 claims
- 0328US4877184AExhaust heated trailerJOHNSTON WILLIAM T·Filed 1988·Granted Oct 31, 1989·5 cites·1 claims
- 0425US4751873AExhaust heated trailerJOHNSTON WILLIAM T·Filed 1986·Granted Jun 21, 1988·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →