DP

Donald J. Perrin

GI Gas Research Institute: 1 patents #343 of 808Top 45%
📍 North Royalton, OH: #134 of 245 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,652,953 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5918592 Gas-fired log burner Steven E. Kazubski 1999-07-06