NS

Norbert E. Simpson

📍 Englewood, CO: #344 of 810 inventorsTop 45%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,359,764 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4473981 Sill clip — 1984-10-02
4406848 Method and apparatus for molding plastic window sills — 1983-09-27