JH

Joseph J. Hartvigsen

📍 Kaysville, UT: #4 of 8 inventorsTop 50%
🗺 Utah: #147 of 691 inventorsTop 25%
Overall (1994): #114,053 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5298341 Multiple stack ion conducting devices Ashok C. Khandkar, Singaravelu Elangovan 1994-03-29