Inventor · disambiguated record
Joel Stark
Also filed as: STARK JOEL · STARK JOEL J
4 granted patents·34 citations·filing 1989–1999
74Inventor score
Top patents by PatentIndex Score
4 records- 0159US5086030AGamma-butyrolactone production catalystPHILLIPS PETROLEUM CO·Filed 1990·Granted Feb 4, 1992·7 cites·12 claims
- 0254US4968818AGamma-butyrolactone production process and catalyst thereforPHILLIPS PETROLEUM CO·Filed 1989·Granted Nov 6, 1990·4 cites·33 claims
- 0348US6086102ATransport device for skis and polesINNOVATIVE SKI SYSTEMS·Filed 1998·Granted Jul 11, 2000·20 cites·7 claims
- 0426US6709273B2Electronic keyboard instructorFiled 1999·Granted Mar 23, 2004·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →