Granted Patent
Utility
US 5,952,937 · App. 08/819,664
System and method of updating communications in a security system
Inventors:
Philip J. Koopman, Jr., Roger D. Carroll, Richard Robert Grzybowski, Paul Marshall
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Mar 12, 1997
Inventors
Philip J. Koopman, Jr.
Roger D. Carroll
Richard Robert Grzybowski
Paul Marshall
Assignee (at issue)
UT Automotive Dearborn, INC
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.