Inventor · disambiguated record
Donald E. Norris
Also filed as: NORRIS DONALD E
3 granted patents·55 citations·filing 1997–2014
68Inventor score
Top patents by PatentIndex Score
3 records- 0187US9659444B2Gaming system and method for providing cashable and non-cashable credits upon cash-outIGT RENO NEV·Filed 2013·Granted May 23, 2017·35 cites·27 claims
- 0249US5884513ACombination coin and key holderFiled 1997·Granted Mar 23, 1999·20 cites·12 claims
- 0341US9499177B2System and method of modifying the friction of railroad tracksWADE JOHN A·Filed 2014·Granted Nov 22, 2016·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →