HP

Helen T. Praria

📍 Wayland, MA: #393 of 613 inventorsTop 65%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,707,937 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5593212 Footstool extension providing leg support Guy B. Praria 1997-01-14