Granted Patent
Utility
US 6,310,646 · App. 08/979,104
Method and apparatus for measuring a radio frequency signal having program information and control information
Inventors:
Pingnan Shi, Andrew E. Bowyer, Qin Zhang
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Nov 26, 1997
Inventors
Pingnan Shi
Andrew E. Bowyer
Qin Zhang
Assignee (at issue)
Wavetek 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.