DH

David P. Hoult

PP Pennzoil Products: 1 patents #1 of 7Top 15%
📍 Wellesley, MA: #17 of 48 inventorsTop 40%
🗺 Massachusetts: #885 of 3,963 inventorsTop 25%
Overall (1994): #145,503 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5320761 Lubricant fluid composition and methods for reducing frictional losses therewith in internal combustion engines Francis E. Brown 1994-06-14