Granted Patent
Utility
US 6,454,664 · App. 09/721,670
Golf club head with multi-radius face
Inventors:
D. Clayton Long, G. Thomas Mase
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Nov 27, 2000
Inventors
D. Clayton Long
G. Thomas Mase
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.