CA

Charles L. Asplin

📍 Fargo, ND: #58 of 650 inventorsTop 9%
🗺 North Dakota: #170 of 2,395 inventorsTop 8%
Overall (All Time): #513,088 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10487473 Wall lifting methods 2019-11-26
9422735 Methods and systems of applying forces using folded hoses 2016-08-23
8864421 Structure lifting method and apparatus 2014-10-21
8186907 Slab leveling system and method 2012-05-29
8092116 Slab raising method 2012-01-10
7226274 Cement slab leveling apparatus 2007-06-05
6976804 Method of repairing damaged concrete slabs 2005-12-20
5979879 Sidewalk leveling device 1999-11-09
5860763 Sidewalk leveling method and device 1999-01-19
5561914 Sand drying apparatus 1996-10-08