JH

John F. Helm

📍 Overland Park, KS: #27 of 92 inventorsTop 30%
🗺 Kansas: #154 of 638 inventorsTop 25%
Overall (2004): #190,698 of 270,089Top 75%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6796127 One cycle internal combustion engine — 2004-09-28