DS

Dale J. Semanisin

FS Federal Signal: 2 patents #162 of 717Top 25%
📍 Cleveland, OH: #637 of 1,781 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,367,710 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4347277 Corrosion resistant coated articles which include an intermediate coating layer of a thermosetting polymer and non-siliceous filler William R. Slama, Robert B. Washburn 1982-08-31
4237177 Corrosion-resistant coated articles William R. Slama, Robert B. Washburn 1980-12-02