Inventor · disambiguated record
Ward L. Willis
Also filed as: WILLIS WARD L
4 granted patents·104 citations·filing 1982–1982
79Inventor score
Technology areasG10D
Files withWILLIS WARD L4
Top patents by PatentIndex Score
4 records- 0186US4475434AQuick release drum head assemblyWILLIS WARD L·Filed 1982·Granted Oct 9, 1984·42 cites·3 claims
- 0271US4479414ADrum support assemblyWILLIS WARD L·Filed 1982·Granted Oct 30, 1984·24 cites·10 claims
- 0369US4476768ADrumstickWILLIS WARD L·Filed 1982·Granted Oct 16, 1984·23 cites·1 claims
- 0453US4455913ACollapsable drumWILLIS WARD L·Filed 1982·Granted Jun 26, 1984·15 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →