CH

C. L. Hill

TC Th Industries Co.: 1 patents #3 of 8Top 40%
📍 Lewistown, PA: #36 of 71 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,924,522 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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