FT

Fredrick W. Tryan

LI Lake Center Industries: 1 patents #1 of 3Top 35%
📍 Lewiston, MN: #1 of 1 inventorsTop 100%
🗺 Minnesota: #156 of 1,035 inventorsTop 20%
Overall (1982): #64,692 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4328522 Brush speed sensing control for vacuum cleaner — 1982-05-04