Granted Patent
Utility
US 5,168,278 · App. 07/852,967
Antenna device for electronic devices
Inventor:
Yutaka Morita
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Mar 17, 1992
Inventor
Yutaka Morita
Assignee (at issue)
SANYO ELECTRIC 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.