PW

Peter F. Warfield

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
🗺 New Jersey: #29,833 of 69,400 inventorsTop 45%
Overall (All Time): #2,358,343 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4452879 Preparation of ozone resistant printing plates Michael G. Fickes 1984-06-05
4400459 Process for bromine surface treatment of photosensitive elastomeric flexographic printing plates Robert R. Gruetzmacher, Stanley H. Munger 1983-08-23