HK

Henry P. Karwan

AC Advance Controls: 1 patents #2 of 5Top 40%
📍 Willow View Lane, CA: #234 of 622 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,338,317 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4765784 Electronic depth control for drill — 1988-08-23
4432343 Solar energy collector system H. Norman Riise, George G. Goranson 1984-02-21