Granted Patent
Utility
US 5,896,576 · App. 08/568,049
Audio mute for digital cordless telephone
Inventors:
John Walley, Stephen C. Muller, Kenneth E. Garey
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Dec 6, 1995
Inventors
John Walley
Stephen C. Muller
Kenneth E. Garey
Assignee (at issue)
Rockwell International Corporation
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.