Granted Patent
Utility
US 6,351,214 · App. 09/829,118
Glass breakage detector
Inventors:
Kenneth Eskildsen, Ying Xiong, Christopher R. Paul, John E. Foster
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Apr 9, 2001
Inventors
Kenneth Eskildsen
Ying Xiong
Christopher R. Paul
John E. Foster
Assignee (at issue)
Pittway 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.