RM

Robert A. MacDonald

KS Keystone Retaining Wall Systems: 13 patents #1 of 5Top 20%
📍 Plymouth, MN: #2 of 265 inventorsTop 1%
🗺 Minnesota: #48 of 6,792 inventorsTop 1%
Overall (2018): #3,616 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 John Lundell 2018-12-18
D824542 Landscaping block Robert John Lundell, Thomas S. Riccobene 2018-07-31
D819231 Landscaping block Robert John Lundell, Thomas S. Riccobene 2018-05-29
9957687 Wall block and wall block system 2018-05-01
D816869 Landscaping block Robert John Lundell, Thomas S. Riccobene 2018-05-01
9951527 Patio blocks and block systems with side surface positioning and retaining structures Robert John Lundell 2018-04-24
D815938 Connector Robert John Lundell 2018-04-24
D814911 Connector Robert John Lundell 2018-04-10
D814278 Connector Robert John Lundell 2018-04-03
9925692 Block splitter assembly and method of producing wall blocks David M. LaCroix, Robert John Lundell 2018-03-27
D812781 Wall block Robert John Lundell 2018-03-13
9903088 Blocks and block connectors, block systems and methods of making blocks Thomas S. Riccobene 2018-02-27
D810322 Landscaping block Thomas S. Riccobene 2018-02-13