JH

John L. Hanna

TE Tennant: 1 patents #106 of 188Top 60%
📍 Deephaven, MN: #51 of 81 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,066,839 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320556 Surface maintenance equipment Paul W. Kimzey 1982-03-23