William J. Butzen

ME Metal-Era: 1 patents #10 of 24Top 45%

📍 Menomonee Falls, WI: #103 of 441 inventorsTop 25%

🗺 Wisconsin: #9,054 of 40,088 inventorsTop 25%

Overall (All Time): #1,017,619 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
8161689	Flashing end dam having angularly adjustable leg	—	2012-04-24
5031367	Roof edge fascia system	—	1991-07-16
4707954	Roof edge fascia system	—	1987-11-24
4648218	Interlocking roof edge fascia system	—	1987-03-10
4419850	Gravel curb	—	1983-12-13