Granted Patent
Utility
US 5,444,306 · App. 08/024,297
Mobile radio telephone apparatus
Inventors:
Buntaro Sawa, Makoto Hoshino
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Mar 1, 1993
Inventors
Buntaro Sawa
Makoto Hoshino
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.