Walter A. Laska

📍 Chicago, IL: #3,897 of 13,327 inventorsTop 30%

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,631,642 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5860259	Masonry insulated board with integral drainage	—	1999-01-19
5815986	Masonry end dam	—	1998-10-06
4700512	Corner flashing membrane	—	1987-10-20