DS

Dale N. Skillman

📍 Rapid City, SD: #1 of 4 inventorsTop 25%
🗺 South Dakota: #4 of 34 inventorsTop 15%
Overall (1982): #70,000 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4308858 Solar energy collecting apparatus and methods — 1982-01-05