Granted Patent
Utility
US 6,719,645 · App. 10/172,991
Golf club head
Inventor:
Masaru Kouno
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jun 18, 2002
Inventor
Masaru Kouno
Assignee (at issue)
SUMITOMO RUBBER INDUSTRIES, LTD.
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.