Individual holder
CHAPMAN WARD W
US·4 granted patents·91 citations·filing 1976–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0183US4052829ASemi-prefabricated monolithic steel-reinforced cement building constructionCHAPMAN WARD W·Filed 1976·Granted Oct 11, 1977·60 cites·10 claims
- 0244US5016505ASpring return mechanism for flying shearsCHAPMAN WARD W·Filed 1989·Granted May 21, 1991·11 cites·2 claims
- 0335US4837933AMachine for removing tiles and like covering material from roof surfacesCHAPMAN WARD W·Filed 1988·Granted Jun 13, 1989·12 cites·8 claims
- 0433US4389816ASheet metal protective cover for awning windowsCHAPMAN WARD W·Filed 1981·Granted Jun 28, 1983·8 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →