Ronald J. Purvey

AP Ae Plc: 1 patents #4 of 19Top 25%

📍 Crediton, GB: #1 of 3 inventorsTop 35%

Overall (1989): #61,571 of 140,708Top 45%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4871458	Centrifugal filters	—	1989-10-03