Inventor · disambiguated record
Donald L. Butler
Also filed as: BUTLER DONALD L · BUTLER DONALD LEWIS · BUTLER Donald
5 granted patents·1 pending application·57 citations·filing 1976–2004
79Inventor score
Top patents by PatentIndex Score
6 records- 0153US2005152996A1Extracts of Mimulus aurantiacus for treating psoriasis and repelling insectsFiled 2004·Application pending·0 cites
- 0251US4531382ASpin coolerAEROGLIDE CORP·Filed 1983·Granted Jul 30, 1985·18 cites·11 claims
- 0343US4157642ACatch frame for fruit pickerAMERICAN CITRUS MACHINERY INC·Filed 1976·Granted Jun 12, 1979·11 cites·14 claims
- 0431USD287014SSpin cooler support frame or the likeBUTLER DONALD L·Filed 1983·Granted Dec 2, 1986·1 cites·1 claims
- 0527US6004277APersonal pulmonary function analyzersFiled 1996·Granted Dec 21, 1999·24 cites·14 claims
- 0626US4077540AReceptacle carriage, dispenser and discharge deviceBUTLER DONALD L·Filed 1976·Granted Mar 7, 1978·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →