Granted Patent
Utility
US 6,759,583 · App. 10/387,017
Percussion Instrument stick
Inventors:
Masaki Mizuno, Tomonori Ishizuka, Hiromi Kajiyama, Yuichiro Miura, Tomoaki Yoshinaga
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Mar 11, 2003
Inventors
Masaki Mizuno
Tomonori Ishizuka
Hiromi Kajiyama
Yuichiro Miura
Tomoaki Yoshinaga
Assignee (at issue)
Hoshino Gakki Mfg. Co., 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.