Inventor · disambiguated record
Donald Kahl
Also filed as: KAHL DONALD · KAHL DONALD L
3 granted patents·90 citations·filing 1974–2006
74Inventor score
Top patents by PatentIndex Score
3 records- 0184US3996901ARotary piston mechanismGALE RICHARD A·Filed 1974·Granted Dec 14, 1976·46 cites·24 claims
- 0278US4111617ARotary piston mechanismGALE RICHARD A·Filed 1975·Granted Sep 5, 1978·30 cites·30 claims
- 0375US7641214B2Energy-absorbing trailer hitch receiverTOYOTA ENG & MFG NORTH AMERICA·Filed 2006·Granted Jan 5, 2010·14 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →