RM

Robert A. MacDonald

KS Keystone Retaining Wall Systems: 11 patents #1 of 4Top 25%
📍 Plymouth, MN: #3 of 264 inventorsTop 2%
🗺 Minnesota: #84 of 7,066 inventorsTop 2%
Overall (2017): #5,591 of 506,227Top 2%
11
Patents 2017

Issued Patents 2017

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9834902 Blocks, block systems and methods of making blocks Thomas S. Riccobene 2017-12-05
9832934 Edger having connection surfaces Thomas S. Riccobene 2017-12-05
9739028 Irregular trapezoidal building unit and wall structure including same Thomas S. Riccobene 2017-08-22
9732523 Connection surface for a structural unit and method of making same Thomas S. Riccobene 2017-08-15
D791345 Landscaping block Robert John Lundell, Thomas S. Riccobene 2017-07-04
D789558 Landscaping block Robert John Lundell, Thomas S. Riccobene 2017-06-13
D789555 Landscaping block Robert John Lundell, Thomas S. Riccobene 2017-06-13
D789556 Landscaping block Robert John Lundell, Thomas S. Riccobene 2017-06-13
D782704 Landscape edger Thomas S. Riccobene, Robert John Lundell 2017-03-28
D782703 Landscape edger Thomas S. Riccobene, Robert John Lundell 2017-03-28
9574317 Wall block and wall block system 2017-02-21