Granted Patent
Utility
US 6,732,476 · App. 10/075,050
Wireless barrier-edge monitor method
Inventors:
George M. Mehalshick, Christopher J. Staub, Kevin Pongrazzi
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Feb 12, 2002
Inventors
George M. Mehalshick
Christopher J. Staub
Kevin Pongrazzi
Assignee (at issue)
THE CHAMBERLAIN GROUP 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.