Inventor · disambiguated record
Robert P. Porper
Also filed as: PORPER ROBERT P
5 granted patents·324 citations·filing 1977–2000
86Inventor score
Top patents by PatentIndex Score
5 records- 0193US6401288B1Mechanical toothbrush with opposed dual heads and having oscillatory movementFiled 2000·Granted Jun 11, 2002·81 cites·22 claims
- 0292USD259977SToothbrushPLAKADENT INT LTD·Filed 1978·Granted Jul 28, 1981·53 cites·1 claims
- 0386US6138310AElectric toothbrush having opposed bristle headsFiled 1999·Granted Oct 31, 2000·112 cites·17 claims
- 0482US6381794B1Electric toothbrush having dual heads with oscillatory movementFiled 2000·Granted May 7, 2002·45 cites·15 claims
- 0571US4137593AToothbrush and method of making the samePORPER ROBERT P·Filed 1977·Granted Feb 6, 1979·33 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →