RK

Robert J. Koshar

3M: 2 patents #7 of 252Top 3%
📍 Mahtomedi, MN: #1 of 12 inventorsTop 9%
🗺 Minnesota: #50 of 1,035 inventorsTop 5%
Overall (1982): #8,428 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4332954 Cyclic sulfoperfluoroaliphaticcarboxylic acid anhydrides 1982-06-01
4313988 Epoxypolysiloxane release coatings for adhesive materials Stephen W. Bany 1982-02-02