Granted Patent
Utility
US 6,524,197 · App. 09/854,322
Golf club head having a device for resisting expansion between opposing walls during ball impact
Inventor:
David D. Boone
Patented Case
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Granted: Feb 25, 2003
Filed: May 11, 2001
Inventor
David D. Boone
Assignee (at issue)
Zevo Golf
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.