Inventor · disambiguated record
Ralph M. Duckworth
Also filed as: DUCKWORTH RALPH M
5 granted patents·105 citations·filing 1986–1989
82Inventor score
Technology areasA61K
Top patents by PatentIndex Score
5 records- 0176US4837007AFluoridating oral cavityLEVER BROTHERS LTD·Filed 1986·Granted Jun 6, 1989·53 cites·8 claims
- 0261US5045305AOral hygiene compositionCHESEBROUGH PONDS USA·Filed 1989·Granted Sep 3, 1991·30 cites·6 claims
- 0348US4935227AToothpastesLEVER BROTHERS LTD·Filed 1988·Granted Jun 19, 1990·11 cites·14 claims
- 0445US4927625AToothpastesLEVER BROTHERS LTD·Filed 1988·Granted May 22, 1990·9 cites·10 claims
- 0532US4935226AToothpastesLEVER BROTHERS LTD·Filed 1988·Granted Jun 19, 1990·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →