RH

Robert M. Hoffman

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
UG United States Gypsum: 1 patents #247 of 432Top 60%
📍 Palos Heights, IL: #58 of 96 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,126,759 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4242406 Fiber reinforced composite structural laminate composed of two layers tied to one another by embedded fibers bridging both layers Larbi El Bouhnini, Thomas J. Fitzpatrick, Donald M. Harwick, Wayne Knoll 1980-12-30