DL

David Lee

DC Donaldson Company: 1 patents #5 of 32Top 20%
📍 New York, NY: #161 of 643 inventorsTop 30%
🗺 New York: #1,999 of 7,187 inventorsTop 30%
Overall (1997): #162,720 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5647356 Respirator cartridge with sealing fit test structure and method of use Richard Osendorf 1997-07-15