William L. Leist

📍 Fryeburg, ME: #356 of 504 inventorsTop 75%

🗺 Maine: #2,311 of 4,281 inventorsTop 55%

Overall (All Time): #4,047,305 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4369050	Self cleaning paper trap	—	1983-01-18