LL

Leo F. Ludzia

WE Williams Electronics: 3 patents #1 of 18Top 6%
📍 Chicago, IL: #3,073 of 13,327 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,296,198 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5208430 Position responsive switch 1993-05-04
D280835 Video game cabinet Gary L. Berge 1985-10-01
D280836 Video game cabinet Romeo M. Ishaya 1985-10-01
D275772 Amusement game cabinet Eugenia Akopian 1984-10-02