WB

Warren E. Brown

CS Commercial Shearing: 1 patents #1 of 8Top 15%
📍 Youngstown, OH: #6 of 22 inventorsTop 30%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #46,060 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830536 Method and apparatus for tunnel lining Robert Michael Birch 1989-05-16