DG

David W. Graf

CE Clark Equipment: 3 patents #106 of 416Top 30%
📍 Bismarck, ND: #57 of 226 inventorsTop 30%
🗺 North Dakota: #595 of 2,395 inventorsTop 25%
Overall (All Time): #1,567,847 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7690880 Locking device for hydraulic attachment interface Russell Honeyman, David E. Marotte, Gerald J. Duppong, Wally L. Kaczmarski 2010-04-06
D487100 Mini-excavator canopy Thomas J. Tokach, Michael D. Wetzel, Henry J. Weber 2004-02-24
D481398 Mini-excavator canopy Thomas J. Tokach, Michael D. Wetzel, Henry J. Weber 2003-10-28