RL

Robert John Lundell

KS Keystone Retaining Wall Systems: 3 patents #3 of 6Top 50%
OA Oldcastle Architectural: 1 patents #1 of 3Top 35%
📍 Stillwater, MN: #9 of 119 inventorsTop 8%
🗺 Minnesota: #571 of 7,373 inventorsTop 8%
Overall (2019): #45,355 of 560,194Top 9%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10370859 Patio blocks and block systems with side surface positioning and retaining structures Robert A. MacDonald 2019-08-06
10301820 Insulated concrete masonry system Leonard Browning, Stephane Beliveau 2019-05-28
D846760 Wall block Craig D. Moritz 2019-04-23
D844181 Landscaping block 2019-03-26