Patent 6878080 was granted and assigned to LG on April, 2005 by the United States Patent and Trademark Office.
A combination bat includes a wood body and a tubular core. The wood body has a handle, a barrel extending from one end of the handle, and an axial hole. The tubular core is made of fiber reinforced plastic materials and axially received inside the axial hole of the wood body. A shock-absorbing member is inserted inside the tubular core.