DB

Douglas E. Boyd

GI Gas Research Institute: 1 patents #19 of 89Top 25%
🗺 Ohio: #979 of 4,093 inventorsTop 25%
Overall (1994): #141,726 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5363673 Simplified engine coolant system for gas engine heat pump William G. Atterbury 1994-11-15