DL

David M. LaCroix

KS Keystone Retaining Wall Systems: 2 patents #4 of 5Top 80%
📍 Windom, MN: #26 of 192 inventorsTop 15%
🗺 Minnesota: #1,267 of 6,792 inventorsTop 20%
Overall (2018): #155,925 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9943983 Block splitter assembly and method of producing wall blocks Kyle Bakner 2018-04-17
9925692 Block splitter assembly and method of producing wall blocks Robert John Lundell, Robert A. MacDonald 2018-03-27