SP

Samuel O. Powell

📍 Hagerstown, MD: #72 of 223 inventorsTop 35%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,288,559 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5438729 Apparatus for cleaning air ducts 1995-08-08
4989279 Modular bathing facility 1991-02-05