Inventor · disambiguated record
Stephen R. Zastera
Also filed as: ZASTERA STEPHEN R · ZASTERA STEPHEN ROBERT
4 granted patents·534 citations·filing 1981–1996
83Inventor score
Top patents by PatentIndex Score
4 records- 0195US5593349AAutomated league and tournament system for electronic gamesVALLEY RECREATION PRODUCTS INC·Filed 1994·Granted Jan 14, 1997·379 cites·17 claims
- 0283USD273522SHand cartD R I IND INC·Filed 1981·Granted Apr 17, 1984·24 cites·1 claims
- 0380USD279736SCollapsible workbench or similar articleD R I IND INC·Filed 1983·Granted Jul 23, 1985·25 cites·1 claims
- 0466US5971397AAutomated league and tournament system for electronic gamesFiled 1996·Granted Oct 26, 1999·106 cites·9 claims
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