Granted Patent
Utility
US 6,582,323 · App. 09/683,860
Multiple material golf club head
Inventors:
Peter L. Soracco, Richard C. Helmstetter, Alan Hocknell, Matthew T. Cackett, Herbert Reyes, James M. Murphy, J. Andrew Galloway, Augustin W. Rollinson
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 22, 2002
Inventors
Peter L. Soracco
Richard C. Helmstetter
Alan Hocknell
Matthew T. Cackett
Herbert Reyes
James M. Murphy
J. Andrew Galloway
Augustin W. Rollinson
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.