AL

Alvin A. Liebel

CE Clark Equipment: 2 patents #143 of 416Top 35%
📍 Mandan, ND: #16 of 55 inventorsTop 30%
🗺 North Dakota: #797 of 2,395 inventorsTop 35%
Overall (All Time): #2,067,719 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8392075 Carrier and backhoe control system and method Spencer Mindeman, Doran D. Hirschkorn, Christopher W. Lougheed, Phillip D. Bogner 2013-03-05
8037680 Hydraulic control system for a swiveling construction machine James M. Breuer, Michael D. Wetzel 2011-10-18