ED

Ernest A. Duschen

FS Federal Signal: 1 patents #293 of 717Top 45%
📍 Chardon, OH: #223 of 361 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,750,347 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5547167 Gate valve for fluidized particular material Robert J. Torok 1996-08-20