WR

William W. Rawstron

JA Jamesbury: 1 patents #1 of 2Top 50%
📍 Marlborough, MA: #6 of 22 inventorsTop 30%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #43,363 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817916 Butterfly valve — 1989-04-04