William E. Helmuth

📍 Plain City, OH: #70 of 128 inventorsTop 55%

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

Overall (All Time): #3,762,912 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5384967	Collapsible rafter square	—	1995-01-31