Inventor · disambiguated record
Donald B. Koepke
Also filed as: KOEPKE DONALD B · KOEPKE DONALD BERNARD
3 granted patents·20 citations·filing 1975–1980
67Inventor score
Top patents by PatentIndex Score
3 records- 0149US3935784ADouble touch key for musical instrumentsWARWICK ELECTRONICS INC·Filed 1975·Granted Feb 3, 1976·10 cites·19 claims
- 0241US4365536ASliding actuator membrane switch for organ keyboardWHIRLPOOL CO·Filed 1980·Granted Dec 28, 1982·6 cites·27 claims
- 0328US4173166ATab switch mechanism for musical instrumentsTHOMAS INT·Filed 1977·Granted Nov 6, 1979·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →