JM

John Rickard Mansfield

📍 Kingswood, GB: #1 of 1 inventorsTop 100%
Overall (1989): #94,178 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883026 Means for adjusting the timing of a valve Wilfred P. Mansfield, Jill Mansfield, Jeremy H. Grice 1989-11-28