William B. Dawson

KS Keystone Retaining Wall Systems: 2 patents #2 of 7Top 30%

📍 Maple Grove, MN: #11 of 111 inventorsTop 10%

🗺 Minnesota: #590 of 4,663 inventorsTop 15%

Overall (2004): #35,239 of 270,089Top 15%

Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6821058	Retaining wall block system and connector	—	2004-11-23
D488569	Landscaping block	—	2004-04-13