JK

Jeffrey R. Killin

EV Energy Vent: 2 patents #3 of 5Top 60%
📍 Fairborn, OH: #79 of 231 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,364,556 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D271615 Damper unit John Prikkel, III, Dale R. Booher 1983-11-29
4361272 Thermal damper for rectangular flue John Prikkel, III, Dale R. Booher 1982-11-30