WO

William C. Orthwein

📍 Carbondale, IL: #28 of 142 inventorsTop 20%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,672,075 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4881604 Computer aided anti-buckling device for mine roof bolting machines 1989-11-21
4371040 Anti-buckling device for mine-roof bolting machines 1983-02-01
4328872 Anti-buckling device for mine-roof bolting machines 1982-05-11