NW

Nelson K. Walling

📍 North Wales, PA: #215 of 457 inventorsTop 50%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #1,880,337 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11035118 Connector clips for construction blocks and retaining wall block system and method Charles H. Gamarekian, Christopher S. Gamarekian, Jaoquim L. Callahan 2021-06-15
9273444 Variable retaining wall system 2016-03-01