Granted Patent
Utility
US 6,411,646 · App. 09/107,733
Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone
Inventors:
John Walley, D. Vincent Laub, Norman Beamish
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 30, 1998
Inventors
John Walley
D. Vincent Laub
Norman Beamish
Assignee (at issue)
Conexant Systems, 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.