DM

Donald J. McDowell

FM Felt Products Mfg.: 2 patents #2 of 3Top 70%
📍 Riverside, IL: #2 of 4 inventorsTop 50%
🗺 Illinois: #186 of 2,749 inventorsTop 7%
Overall (1982): #14,903 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4351534 Abrasive-erosion resistant gasket assembly — 1982-09-28
4325559 Erosion resistant gasket Daniel E. Czernik 1982-04-20