PW

Peter D. Wellhoffer

CM Cyprus Foote Mineral: 1 patents #5 of 12Top 45%
📍 Philadelphia, PA: #2,553 of 4,834 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,938,255 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4867956 Active oxygen-rich compound and preparative method Daniel Alfred Boryta 1989-09-19