Granted Patent
Utility
US 6,539,066 · App. 09/437,957
Integrable radio receiver circuit for frequency-modulated digital signals
Inventor:
Stefan Heinen
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Nov 10, 1999
Inventor
Stefan Heinen
Assignee (at issue)
Infineon Technologies AG
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.