Granted Patent
Utility
US 5,642,353 · App. 08/465,665
Spatial division multiple access wireless communication systems
Inventors:
Richard H. Roy, III, Bjorn Ottersten
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Jun 5, 1995
Inventors
Richard H. Roy, III
Bjorn Ottersten
Assignee (at issue)
ArrayComm LLC
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.