DC

Douglas M. Crumb

DI Diemolding: 1 patents #8 of 17Top 50%
📍 Boonville, NY: #3 of 6 inventorsTop 50%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,667,533 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5984873 Incentive spirometer Rex A. Niles, Fredrick M. Richards, Lawrence A. Weinstein 1999-11-16