JH

Joseph F. B. Harper

EA Eaton: 1 patents #1,900 of 3,708Top 55%
📍 Treville, GB: #17 of 32 inventorsTop 55%
Overall (All Time): #3,990,124 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4569252 Change gear planetary transmission — 1986-02-11