Inventor · disambiguated record
William F. Ludwig
Also filed as: LUDWIG WILLIAM F · LUDWIG WILLIAM FREDERICK
3 granted patents·63 citations·filing 1976–1977
73Inventor score
Files withLUDWIG IND3
Top patents by PatentIndex Score
3 records- 0176US4091706AConstruction of illuminated drumsLUDWIG IND·Filed 1976·Granted May 30, 1978·26 cites·4 claims
- 0272US4045264AMethod of manufacturing plastic shells for drumsLUDWIG IND·Filed 1977·Granted Aug 30, 1977·26 cites·13 claims
- 0369USD257989SDrumLUDWIG IND·Filed 1976·Granted Jan 20, 1981·11 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →