RS

Robert D. Sawyer

📍 Wauwatosa, WI: #141 of 672 inventorsTop 25%
🗺 Wisconsin: #7,853 of 40,088 inventorsTop 20%
Overall (All Time): #884,039 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6279275 Foundation wall construction having water impervious drain panels 2001-08-28
5857297 Foundation wall construction 1999-01-12
5098059 Concrete forming member for use in concrete casting 1992-03-24
5083740 Spring-loaded locking pin for concrete forms Bruce H. Peterson 1992-01-28
4536145 Apparatus for forming an expanded foam form liner including a contoured surface Michael W. Fohl 1985-08-20
4239173 Concrete construction form and tie rod 1980-12-16