Granted Patent
Utility
US 4,330,694 · App. 06/117,305
Complex switch assembly
Inventor:
Akira Ogawa
Patented Case
View Patent ↗
Granted: May 18, 1982
Filed: Jan 31, 1980
Inventor
Akira Ogawa
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.