Granted Patent
Utility
US 5,447,311 · App. 08/304,204
Iron type golf club head
Inventors:
Francois Viollaz, Robert Maestri
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Sep 12, 1994
Inventors
Francois Viollaz
Robert Maestri
Assignee (at issue)
TAYLOR MADE GOLF COMPANY, INC.
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.