WS

William S. Stumpf

R( Ram Machines (1990): 1 patents #1 of 3Top 35%
📍 Kitchener, CA: #11 of 45 inventorsTop 25%
Overall (2003): #91,137 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6540296 Chair back height-adjustment mechanism Michael Shats, Vaclav Pernicka 2003-04-01