RL

Robert John Lundell

KS Keystone Retaining Wall Systems: 1 patents #1 of 1Top 100%
📍 Stillwater, MN: #26 of 66 inventorsTop 40%
🗺 Minnesota: #1,731 of 5,562 inventorsTop 35%
Overall (2025): #237,081 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12312760 Segmented wall systems having tail blocks — 2025-05-27