Inventor · disambiguated record
Richard S. Graafsma
Also filed as: GRAAFSMA RICHARD S
4 granted patents·44 citations·filing 1975–1976
76Inventor score
Files withAUTO SPECIALTIES MFG CO4
Top patents by PatentIndex Score
4 records- 0161US4015825ATiltable jackAUTO SPECIALTIES MFG CO·Filed 1976·Granted Apr 5, 1977·17 cites·27 claims
- 0254US3977267APowdered metal gear for screw jackAUTO SPECIALTIES MFG CO·Filed 1975·Granted Aug 31, 1976·13 cites·8 claims
- 0344US4000880AScrew jackAUTO SPECIALTIES MFG CO·Filed 1975·Granted Jan 4, 1977·9 cites·7 claims
- 0433US4014515ASnubber for one end lift jacksAUTO SPECIALTIES MFG CO·Filed 1975·Granted Mar 29, 1977·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →