HR

Henry Ryffel

📍 Nashua, NH: #765 of 1,592 inventorsTop 50%
🗺 New Hampshire: #5,349 of 12,181 inventorsTop 45%
Overall (All Time): #2,370,773 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4282777 Pancake planetary drive Thomas J. Black, Jr. 1981-08-11
4271726 Planetary transmission — 1981-06-09