Granted Patent
Utility
US 6,533,566 · App. 09/812,878
Apparatus for making a golf ball
Inventors:
Michael J. Tzivanis, Eric Johnston, Mario Jarmuzewski, Gary Mendrala, Thomas J. Kennedy, III, Viktor Keller
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 20, 2001
Inventors
Michael J. Tzivanis
Eric Johnston
Mario Jarmuzewski
Gary Mendrala
Thomas J. Kennedy, III
Viktor Keller
Assignee (at issue)
Spalding Sports Worldwide, 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.