Granted Patent
Utility
US 5,982,809 · App. 08/787,610
Method and apparatus for carrier recovery and compensation in spread spectrum communications
Inventors:
Hui Liu, Guanghan Xu, Ping Liu
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Jan 23, 1997
Inventors
Hui Liu
Guanghan Xu
Ping Liu
Assignee (at issue)
Cwill Telecommunications, Inc.
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.