Granted Patent
Utility
US 6,565,452 · App. 09/683,896
Multiple material golf club head with face insert
Inventors:
Richard C. Helmstetter, Matthew T. Cackett, Herbert Reyes, James M. Murphy, Peter L. Soracco, J. Andrew Galloway
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Feb 28, 2002
Inventors
Richard C. Helmstetter
Matthew T. Cackett
Herbert Reyes
James M. Murphy
Peter L. Soracco
J. Andrew Galloway
Assignee (at issue)
Callaway Golf 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.