RL

Robert John Lundell

KS Keystone Retaining Wall Systems: 11 patents #2 of 5Top 40%
OA Oldcastle Architectural: 2 patents #1 of 3Top 35%
📍 Stillwater, MN: #1 of 107 inventorsTop 1%
🗺 Minnesota: #48 of 6,792 inventorsTop 1%
Overall (2018): #3,617 of 503,207Top 1%
13
Patents 2018

Issued Patents 2018

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10156077 Veneer connectors, wall blocks, veneer panels for wall blocks, and walls Robert A. MacDonald 2018-12-18
10087623 Insulated concrete masonry system Leonard Browning, Stephane Beliveau 2018-10-02
10081918 Paving stones Leonard Browning 2018-09-25
D824542 Landscaping block Robert A. MacDonald, Thomas S. Riccobene 2018-07-31
D819231 Landscaping block Robert A. MacDonald, Thomas S. Riccobene 2018-05-29
D816869 Landscaping block Thomas S. Riccobene, Robert A. MacDonald 2018-05-01
D815938 Connector Robert A. MacDonald 2018-04-24
9951527 Patio blocks and block systems with side surface positioning and retaining structures Robert A. MacDonald 2018-04-24
D814911 Connector Robert A. MacDonald 2018-04-10
D814278 Connector Robert A. MacDonald 2018-04-03
9925692 Block splitter assembly and method of producing wall blocks David M. LaCroix, Robert A. MacDonald 2018-03-27
D812781 Wall block Robert A. MacDonald 2018-03-13
D809673 Landscaping block Thomas S. Riccobene 2018-02-06