RC

Raymond P. Champagne

JA Jamesbury: 1 patents #1 of 2Top 50%
📍 West Greenwich, RI: #2 of 10 inventorsTop 20%
🗺 Rhode Island: #43 of 240 inventorsTop 20%
Overall (1989): #68,013 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4881718 Ball control valve — 1989-11-21