Inventor

GRAF DAVID W

US3 patents

Patents

3 patents

USD487100SFeb 24, 2004

Mini-excavator canopy

CLARK EQUIPMENT CO29 citations91

USD481398SOct 28, 2003

Mini-excavator canopy

CLARK EQUIPMENT CO17 citations91

US7690880B2Apr 6, 2010

Locking device for hydraulic attachment interface

CLARK EQUIPMENT CO20 citations87