William M. Schaffner

SC Schaffert Manufacturing Company: 1 patents #6 of 11Top 55%

📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,328,008 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4850158	Method of making buffing wheel	—	1989-07-25
4799338	Buffing wheel	—	1989-01-24