Granted Patent
Utility
US 6,786,838 · App. 10/373,938
Golf ball with multi-layered core
Inventors:
Michael J. Sullivan, Derek A. Ladd, Antonio U. DeSimas
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Feb 25, 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.