DG

David W. Grostick

AI Am International: 1 patents #56 of 142Top 40%
📍 Barrington, IL: #464 of 767 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,858,277 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5143364 Suction control system for printing or duplicating machines Joseph S. Kharzo, Jiann-Shing Liang, Narasimha Swamy 1992-09-01