Granted Patent
Utility
US 6,636,747 · App. 09/263,214
Multi-mode radio transmission system
Inventors:
Hiroshi Harada, Masayuki Fujise
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Mar 5, 1999
Inventors
Hiroshi Harada
Masayuki Fujise
Assignee (at issue)
Communications Research Laboratory, Independent Administrative Institution
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.