DP

Douglas D. Purdy

AR Aro: 1 patents #29 of 92Top 35%
IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
Overall (All Time): #2,271,845 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5649813 Chamber insulation for prevention of icing in air motors Stephen D. Able, Nicholas Kozumplik, Jr. 1997-07-22
D370488 Diaphragm pump Nicholas Kozumplik, Jr., Robert C. Elfers 1996-06-04