RK

Roger Kempster

📍 Potters Bar, GB: #16 of 31 inventorsTop 55%
Overall (All Time): #3,984,324 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4702428 Infinitely variable ratio drive mechanism — 1987-10-27