Granted Patent
Utility
US 6,723,907 · App. 10/171,443
Drum stand
Inventor:
Naoki Sato
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Jun 13, 2002
Inventor
Naoki Sato
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.