JD

James V. Dirkes

📍 Grand Rapids, MI: #536 of 1,824 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,617,595 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6431457 Air heater control — 2002-08-13
4429679 Modulair air heater — 1984-02-07
4325352 Internal recirculation device — 1982-04-20