Granted Patent
Utility
US 6,830,385 · App. 10/453,675
Package having lock mechanism
Inventors:
Yoshiaki Ishigami, Yoshinori Sunaga
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jun 4, 2003
Inventors
Yoshiaki Ishigami
Yoshinori Sunaga
Assignee (at issue)
HITACHI CABLE, 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.