RG

Robert R. Gruetzmacher

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Chadds Ford, PA: #87 of 258 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,680,982 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4460675 Process for preparing an overcoated photopolymer printing plate Stanley H. Munger 1984-07-17
4427759 Process for preparing an overcoated photopolymer printing plate Stanley H. Munger 1984-01-24
4400459 Process for bromine surface treatment of photosensitive elastomeric flexographic printing plates Stanley H. Munger, Peter F. Warfield 1983-08-23