JH

John C. Hansen

3M: 2 patents #84 of 952Top 9%
📍 Spring Grove, PA: #1 of 2 inventorsTop 50%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #29,596 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5318674 Process for preparing perfluoroalkanesulfonyl fluorides Fredrick E. Behr, Yuri Cheburkov 1994-06-07
5286352 Electrochemical production of higher pentafluorosulfonyl acid fluorides Patricia M. Savu 1994-02-15