Granted Patent
Utility
US 6,550,121 · App. 10/058,107
Method and apparatus for locating and aligning golf club shaft spine
Inventors:
Richard M. Weiss, Joseph H. Butler, Michael J. Twigg
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Jan 29, 2002
Inventors
Richard M. Weiss
Joseph H. Butler
Michael J. Twigg
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.