AI

Arthur William Etchells, III

GR Graco: 1 patents #3 of 17Top 20%
📍 Philadelphia, PA: #28 of 143 inventorsTop 20%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #131,109 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886086 Non-degrading pressure regulator David J. Donofrio 1989-12-12