JC

James Campbell

RC Red Valve Company: 1 patents #1 of 1Top 100%
📍 Nottingham, MA: #1 of 2 inventorsTop 50%
Overall (1982): #56,754 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4322054 Pinch valve — 1982-03-30