DD

David J. Donofrio

GR Graco: 1 patents #3 of 17Top 20%
📍 Wilmington, DE: #60 of 264 inventorsTop 25%
🗺 Delaware: #122 of 479 inventorsTop 30%
Overall (1989): #123,446 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886086 Non-degrading pressure regulator Arthur William Etchells, III 1989-12-12