Granted Patent
Utility
US 4,545,580 · App. 06/580,109
Wood-type golf club head
Inventors:
Osamu Tomita, Yoshihiko Murase, Seiya Nishimura
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Feb 14, 1984
Inventors
Osamu Tomita
Yoshihiko Murase
Seiya Nishimura
Assignee (at issue)
Nippon Gakki Seizo Kabushiki Kaisha
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.