Granted Patent
Utility
US 6,012,747 · App. 09/048,300
Locking device
Inventors:
Noboru Takamura, Noboru Uematsu, Akihiro Takeda
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Mar 26, 1998
Inventors
Noboru Takamura
Noboru Uematsu
Akihiro Takeda
Assignee (at issue)
Ohi Seisakusho 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.