OJ

Otto C. Jahnke

UI University Of Illinois: 2 patents #587 of 3,009Top 20%
FE Ferro: 1 patents #204 of 431Top 50%
📍 El Cajon, CA: #131 of 572 inventorsTop 25%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,684,711 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4337162 Internal boundary layer ceramic compositions David A. Payne, Sang M. Park 1982-06-29
4284521 Reduced alkaline earth metal powders and process for producing same David A. Payne, Sang M. Park 1981-08-18
4237084 Method of producing internal boundary layer ceramic compositions David A. Payne, Sang M. Park 1980-12-02