Granted Patent
Utility
US 6,692,380 · App. 10/352,705
Golf ball with high density center
Inventors:
Michael J. Sullivan, Derek A. Ladd, Antonio U. DeSimas
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Jan 28, 2003
Inventors
Michael J. Sullivan
Derek A. Ladd
Antonio U. DeSimas
Assignee (at issue)
Acushnet Company
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.