Randy Cowan

📍 Sioux Falls, SD: #5 of 21 inventorsTop 25%

🗺 South Dakota: #20 of 117 inventorsTop 20%

Overall (2003): #138,629 of 273,478Top 55%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6645592	Laminated liner system	—	2003-11-11