Granted Patent
Utility
US 6,042,488 · App. 08/490,963
Multi-layer golf ball and method of making same
Inventors:
Michael J. Sullivan, Mark L. Binette
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jun 15, 1995
Inventors
Michael J. Sullivan
Mark L. Binette
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.