Granted Patent
Utility
US 5,800,293 · App. 08/745,185
Laminated wood bat and method of making same
Inventor:
Jack W. MacKay, Jr.
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Nov 7, 1996
Inventor
Jack W. MacKay, Jr.
Assignee (at issue)
Hillerich & Bradsby Co.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.