Granted Patent
Utility
US 6,686,803 · App. 09/902,543
Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor
Inventors:
Michael H. Perrott, Jerrell P. Hein, Rex Baird
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jul 10, 2001
Inventors
Michael H. Perrott
Jerrell P. Hein
Rex Baird
Assignee (at issue)
Silicon Laboratories Inc.
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.