Granted Patent
Utility
US 6,812,874 · App. 10/443,508
Method and apparatus for processing analog signal
Inventor:
Robert Everest Johnson
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: May 22, 2003
Inventor
Robert Everest Johnson
Assignee (at issue)
Andrew 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.