RD

Richard O. Drossman

📍 Aliquippa, PA: #20 of 105 inventorsTop 20%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,612,098 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6619471 Furnace roller Joseph A. Downie 2003-09-16
5332628 Iron based ductile wire for forming a surfacing alloy system 1994-07-26
4810464 Iron-base hard surfacing alloy system Richard S. Szereto 1989-03-07