Granted Patent
Utility
US 5,356,941 · App. 07/843,565
Game balls having improved core compositions
Inventors:
Michael J. Sullivan, Terence Melvin
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Feb 28, 1992
Inventors
Michael J. Sullivan
Terence Melvin
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.