Douglas C. Willis

📍 Washington Court House, OH: #16 of 31 inventorsTop 55%

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

Overall (All Time): #3,344,907 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7313985	Rapid roof remover	—	2008-01-01