PD

Peter Dufresne

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Calgary, CA: #641 of 5,407 inventorsTop 15%
Overall (All Time): #821,551 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10926243 Highly porous lubricant conditioning and remediation media Matthew Hobbs 2021-02-23
8468749 Gate entry system 2013-06-25
6287047 Roadway water ramp apparatus 2001-09-11
5785861 Regeneration of perchloroethylene 1998-07-28
5755527 Roadway water ramp apparatus 1998-05-26
5661117 Regeneration of phosphate ester lubricating fluids 1997-08-26