Granted Patent
Utility
US 5,362,047 · App. 08/180,103
Gold club heads with face pieces of a thickness varying in toe to heel and/or top edge to sole directions
Inventors:
Michael Shaw, Brian F. Machin
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Jan 11, 1994
Inventors
Michael Shaw
Brian F. Machin
Assignee (at issue)
Dunlop Slazenger International Limited
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.