Granted Patent
Utility
US 6,675,002 · App. 09/384,723
System and method for automatically muting cellular telephone devices in noise sensitive areas
Inventor:
G. Jack Lipovski
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Aug 27, 1999
Inventor
G. Jack Lipovski
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.