Granted Patent
Utility
US 5,838,402 · App. 08/697,555
Electric appliance, its assembling method, and its housing structure
Inventors:
Kazuo Sanpei, Tatsuo Yamauchi
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Aug 28, 1996
Inventors
Kazuo Sanpei
Tatsuo Yamauchi
Assignee (at issue)
Hitachi Telecom Technologies, 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.