Granted Patent
Utility
US 6,486,847 · App. 09/517,515
Monopole antenna
Inventors:
Atsushi Yamamoto, Toshimitsu Matsuyoshi, Koichi Ogawa
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 2, 2000
Inventors
Atsushi Yamamoto
Toshimitsu Matsuyoshi
Koichi Ogawa
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.