RM

Richard Kenneth Magnuson

KS Keystone Retaining Wall Systems: 2 patents #12 of 22Top 55%
📍 Richfield, MN: #117 of 268 inventorsTop 45%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #1,846,214 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11346559 Bridging lintel with support hangers for an insert and block system for a structure William H. Karau 2022-05-31
D773072 Landscaping block Thomas S. Riccobene, Robert A. MacDonald 2016-11-29