Inventor · disambiguated record

Martha Winkelman

Also filed as: WINKELMAN MARTHA

2 granted patents·29 citations·filing 1986–1989

61Inventor score

Technology areasA63F

Files withWINKELMAN MARTHA2

Top patents by PatentIndex Score

2 records

0154US5102143AIn a trading game a "game average" deviceWINKELMAN MARTHA·Filed 1989·Granted Apr 7, 1992·19 cites·1 claims
0237US4913446ATrading game and method for continuing playingWINKELMAN MARTHA·Filed 1986·Granted Apr 3, 1990·10 cites·28 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →