Granted Patent
Utility
US 6,186,905 · App. 08/787,202
Methods for designing golf club heads
Inventor:
John B. Kosmatka
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Jan 22, 1997
Inventor
John B. Kosmatka
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.