Granted Patent
Utility
US 5,157,709 · App. 07/529,281
Radio communications system adaptively assigning channels using power levels of idle channels
Inventor:
Youichi Ohteru
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: May 29, 1990
Inventor
Youichi Ohteru
Assignee (at issue)
NEC 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.