Granted Patent
Utility
US 5,340,107 · App. 08/034,476
Monolithic ceramic golf club putter head and method of manufacture thereof
Inventors:
Robert R. Baker, Robin A. Carden
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Mar 19, 1993
Inventors
Robert R. Baker
Robin A. Carden
Assignee (at issue)
Ceradyne, 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.