Granted Patent
Utility
US 6,663,496 · App. 10/136,950
Putter with alignment system
Inventors:
Donald T. Cameron, William B. Lacy
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: May 2, 2002
Inventors
Donald T. Cameron
William B. Lacy
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.