HF

H. Lee Fisher

AE Analytical Engineering: 1 patents #5 of 9Top 60%
📍 Columbus, IN: #880 of 1,378 inventorsTop 65%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #3,495,816 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6820417 Exhaust aftertreatment system and method for an internal combustion engine David F. May, Charles R. Schenk, Louis A. Krempel, Angela R. May 2004-11-23