WS

William M. Schaffner

SC Schaffert Manufacturing Company: 1 patents #1 of 3Top 35%
📍 Pittsburgh, PA: #15 of 296 inventorsTop 6%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #12,959 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4850158 Method of making buffing wheel 1989-07-25
4799338 Buffing wheel 1989-01-24