Granted Patent
Utility
US 5,833,561 · App. 08/789,346
Ball bat with tailored flexibility
Inventors:
Thomas J. Kennedy, III, Brian Feeney
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Jan 27, 1997
Inventors
Thomas J. Kennedy, III
Brian Feeney
Assignee (at issue)
Lisco Inc.
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.