William S. Stumphauzer

📍 Elyria, OH: #169 of 293 inventorsTop 60%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #3,729,496 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5687754	Automatic drain valve with internal pressure booster valve	Leonard R. Nemeth, Hugh F. Groth	1997-11-18