William Kangas

AC American Colloid: 1 patents #4 of 9Top 45%

📍 Mundelein, IL: #9 of 37 inventorsTop 25%

🗺 Illinois: #1,021 of 4,484 inventorsTop 25%

Overall (1994): #52,061 of 165,921Top 35%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5339590	Trapezium-shaped aqueously-swelling concrete joint-sealing method	—	1994-08-23