RR

Richard K. Roberts

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 De Witt, IA: #30 of 103 inventorsTop 30%
🗺 Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,661,311 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5128212 Multilayer heat shrinkable polymeric film containing recycle polymer Timothy M. Kneale, John D. Snyder 1992-07-07
5112696 Tough monolayer shrink film for products containing moisture 1992-05-12
4760116 Monolayer polyethylene shrink film 1988-07-26