Inventor · disambiguated record
Tjamme De Vries
Also filed as: DE VRIES TJAMME · GROOTHIUS GERRIT J · VRIES TJAMME DE
3 granted patents·80 citations·filing 1977–2001
74Inventor score
Technology areasB26B
Top patents by PatentIndex Score
3 records- 0181US6502309B2Shaving apparatusKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 7, 2003·45 cites·4 claims
- 0256US4222168AShaving apparatusPHILIPS CORP·Filed 1978·Granted Sep 16, 1980·19 cites·1 claims
- 0350US4170822ADry shaving apparatusPHILIPS CORP·Filed 1977·Granted Oct 16, 1979·16 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →