Timothy H. Grape

DC Donaldson Company: 1 patents #454 of 695Top 70%

📍 Minneapolis, MN: #3,628 of 6,114 inventorsTop 60%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,642,098 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5871557	Mist collector cartridge	Joseph C. Tokar, Mervin E. Wright, James A. LeBlanc	1999-02-16