Granted Patent
Utility
US 5,451,899 · App. 08/302,510
Direct conversion FSK receiver using frequency tracking filters
Inventor:
Rodney J. Lawton
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Sep 8, 1994
Inventor
Rodney J. Lawton
Assignee (at issue)
Plessey Semiconductors Ltd
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.