RH

Roger William Harper

HY Hydrogenics: 1 patents #44 of 85Top 55%
Overall (All Time): #3,456,990 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6935363 Pressure control system for low pressure operation Gordon Lamont, Chad Comeault 2005-08-30