Granted Patent
Utility
US 6,058,306 · App. 09/310,477
Compensation of dynamic doppler frequency of large range in satellite communication systems
Inventor:
Qinchong Liu
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: May 12, 1999
Inventor
Qinchong Liu
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.