Granted Patent
Utility
US 6,665,021 · App. 09/776,970
System and process for filtering single tone signals
Inventor:
Benjamin E. Felts, III
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Feb 5, 2001
Inventor
Benjamin E. Felts, III
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.