DK

David R. Kosa

📍 Carleton, MI: #19 of 57 inventorsTop 35%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,653,642 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5291866 Pulse charger — 1994-03-08
4545337 Rotary valve engine George A. Lyons 1985-10-08
4473041 Rotary valve engine George A. Lyons 1984-09-25