Granted Patent
Utility
US 6,434,798 · App. 09/486,813
Rotation stopper for opening and closing plates in center fixing device of band-shaped ornament
Inventors:
Jindai Yamakawa, Kaname Atsumi
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Mar 2, 2000
Inventors
Jindai Yamakawa
Kaname Atsumi
Assignee (at issue)
CITIZEN WATCH 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.