RA

Robert Joseph Alexander

📍 Lamar, MO: #9 of 30 inventorsTop 30%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,230,673 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6290885 Method of making a fiber-reinforced molded plastic roofing unit Joseph C. Roetheli, Tony J. Evans, D. Kevin Pratt 2001-09-18
6164034 Fiber-reinforced molded plastic roofing unit and method of making the same Joseph C. Roetheli, Tony J. Evans, D. Kevin Pratt 2000-12-26