Inventor · disambiguated record
Steven Coffman
Also filed as: COFFMAN STEVEN · COFFMAN STEVEN G
3 granted patents·96 citations·filing 1988–2008
75Inventor score
Top patents by PatentIndex Score
3 records- 0189US8016300B2Mobile cart having a retractable-wheel base systemCRAMER DECKER IND·Filed 2008·Granted Sep 13, 2011·49 cites·17 claims
- 0239US5191367AInstrument and method for use in optometric examinationsAPPLIED VISION CONCEPTS INC·Filed 1991·Granted Mar 2, 1993·31 cites·15 claims
- 0335US4998820AInstrument and method for use in optometric examinationsAPPLIED VISION CONCEPTS INC·Filed 1988·Granted Mar 12, 1991·16 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →