HR

Harold A. Roozen

📍 Edmonton, CA: #1,480 of 2,912 inventorsTop 55%
Overall (All Time): #3,151,553 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8398393 Gas fired catalytic heater Jarek Szynkarczuk, Kowlasar Misir 2013-03-19