DF

David Frank

HY Hydrogenics: 1 patents #1 of 2Top 50%
📍 Scarborough, CA: #5 of 32 inventorsTop 20%
Overall (2002): #235,648 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6436563 Water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell Xuesong Chen 2002-08-20