CH

Clarence F. Hammer

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Wilmington, DE: #1,229 of 3,182 inventorsTop 40%
🗺 Delaware: #2,574 of 7,163 inventorsTop 40%
Overall (All Time): #1,685,978 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE30754 Process for the preparation of graft copolymers Harold K. Sinclair 1981-09-29
4225476 Adhesive blend of wood rosin and thermoplastic graft copolymer Harold K. Sinclair 1980-09-30
RE30322 Novel elastomeric graft copolymers Harold K. Sinclair 1980-07-01