GC

George D. Canfield

BL Blackbourn: 1 patents #4 of 4Top 100%
📍 Chaska, MN: #240 of 361 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,967,931 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4641750 Two-ply cassette album and method of making same Breck J. Johnson 1987-02-10