CC

Calvin L. Carstensen

📍 Rapid City, SD: #3 of 9 inventorsTop 35%
🗺 South Dakota: #8 of 62 inventorsTop 15%
Overall (1989): #127,621 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4800817 Rail joint alignment system and method of connection Randall J. Schommer 1989-01-31