CF

Charles J. Fresch

LE Lewco: 4 patents #3 of 7Top 45%
📍 Sandusky, OH: #18 of 125 inventorsTop 15%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,154,973 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10988314 Drive system for conveyors Gerald T. Guerra, Albert E. Sparling 2021-04-27
10556745 Drive system for conveyors Gerald T. Guerra, Albert E. Sparling 2020-02-11
10472179 Cartridge bearing assembly for roller conveyors Gerald T. Guerra, Albert E. Sparling 2019-11-12
9981804 Drive system for conveyors Gerald T. Guerra, Albert E. Sparling 2018-05-29