Inventor · disambiguated record
Mark Ellefson
Also filed as: ELLEFSON MARK · ELLEFSON MARK W
3 granted patents·56 citations·filing 1984–2020
67Inventor score
Top patents by PatentIndex Score
3 records- 0180US4632414ALand vehicle propelled by simulated rowing motionELLEFSON MARK W·Filed 1984·Granted Dec 30, 1986·53 cites·7 claims
- 0273US11436608B1Commercial credit card systemWELLS FARGO BANK NA·Filed 2020·Granted Sep 6, 2022·1 cites·16 claims
- 0373US10733612B1Commercial credit card systemWELLS FARGO BANK NA·Filed 2016·Granted Aug 4, 2020·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →