Inventor · disambiguated record
Peter Dufresne
Also filed as: DUFRESNE PETER · DUFRESNE PETER T
6 granted patents·109 citations·filing 1995–2019
83Inventor score
Top patents by PatentIndex Score
6 records- 0174US8468749B1Gate entry systemDUFRESNE PETER·Filed 2012·Granted Jun 25, 2013·11 cites·19 claims
- 0273US6287047B1Roadway water ramp apparatusFiled 1999·Granted Sep 11, 2001·44 cites·3 claims
- 0363US5755527ARoadway water ramp apparatusFiled 1996·Granted May 26, 1998·31 cites·4 claims
- 0460US5661117ARegeneration of phosphate ester lubricating fluidsFiled 1995·Granted Aug 26, 1997·20 cites·16 claims
- 0555US10926243B2Highly porous lubricant conditioning and remediation media1441413 ALBERTA INC·Filed 2019·Granted Feb 23, 2021·0 cites·4 claims
- 0628US5785861ARegeneration of perchloroethyleneFiled 1996·Granted Jul 28, 1998·3 cites·7 claims
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