PD

Peter Dufresne

📍 Calgary, CA: #23 of 156 inventorsTop 15%
Overall (1997): #94,367 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5661117 Regeneration of phosphate ester lubricating fluids — 1997-08-26