Inventor · disambiguated record
Grant David Purvis
Also filed as: PURVIS GRANT D · PURVIS GRANT DAVID
4 granted patents·204 citations·filing 1985–1998
80Inventor score
Top patents by PatentIndex Score
4 records- 0190US6283930B1Travel massage brushHEADWATERS RES & DEV INC·Filed 1997·Granted Sep 4, 2001·110 cites·5 claims
- 0282USD291029SBrushPURVIS GRANT D·Filed 1985·Granted Jul 28, 1987·33 cites·1 claims
- 0376US6071215AMulti-mode exercise machineFiled 1998·Granted Jun 6, 2000·59 cites·14 claims
- 0435USD406650SMassage brushHEADWATERS RES & DEVELOPMENT INC·Filed 1997·Granted Mar 9, 1999·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →