State Police are seeking the public's help in locating a commercial trailer, which was stolen from a western Clarion County business.     The trailer was taken from the Ziegler Wood Shop, which is located off of Canoe Ripple Rod, in Beaver Township.     And, the crime victim is Harold Ziegler of the Knox area.     Stolen from the place was a 2006 Road Clipper dual axle car hauler trailer.     The theft occurred sometime between this past Sunday and Monday.     Anyone with any information on this matter is asked to contact the State Police.