Granted Patent
Utility
US 6,019,688 · App. 09/228,291
Golf ball with non-circular sickle-shaped dimples
Inventor:
Michael J. Sullivan
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Jan 11, 1999
Inventor
Michael J. Sullivan
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.