Assignee
JOHNSON WILLIAM H
3 granted patents·121 citations·filing 1978–1984
Top patents by PatentIndex Score
3 records- 0195US4499911AEnergy efficient curing and drying systemJOHNSON WILLIAM H·Filed 1980·Granted Feb 19, 1985·70 cites·30 claims
- 0280US4538922APortable mixing deviceJOHNSON WILLIAM H·Filed 1984·Granted Sep 3, 1985·40 cites·6 claims
- 0375USD256643STape rackJOHNSON WILLIAM H·Filed 1978·Granted Sep 2, 1980·11 cites·1 claims
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