JP

John D. Parnum

📍 Peterborough, GB: #53 of 222 inventorsTop 25%
Overall (All Time): #2,361,343 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4373301 Cam machining Nigel T. Barber 1983-02-15
4299061 Cam machine with acceleration control Nigel T. Barber 1981-11-10