Granted Patent
Utility
US 6,250,168 · App. 09/275,741
Method and apparatus for locating the strongest point on a golf club shaft
Inventor:
Frank D'Aguanno
Patented Case
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Granted: Jun 26, 2001
Filed: Mar 24, 1999
Inventor
Frank D'Aguanno
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.