CH

C. L. Hill

TC Th Industries Co.: 1 patents #1 of 1Top 100%
📍 Lewistown, PA: #1 of 2 inventorsTop 50%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #127,742 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817852 Method of replacing drill bit heads — 1989-04-04