Granted Patent
Utility
US 6,614,801 · App. 09/191,501
Circuits and methods for detecting the mode of a telecommunications signal
Inventor:
Gary Parnes
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Nov 13, 1998
Inventor
Gary Parnes
Assignee (at issue)
Digi International 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.