Granted Patent
Utility
US 6,690,771 · App. 09/884,413
System and method for answering machine call screening in a cordless digital system
Inventors:
Gerhard Siemens, Uwe Sydon, Holger Steinbach, Olaf Dicker, Juergen Kockmann
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Jun 18, 2001
Inventors
Gerhard Siemens
Uwe Sydon
Holger Steinbach
Olaf Dicker
Juergen Kockmann
Assignee (at issue)
Siemens Information and Communication Mobile, 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.