Granted Patent
Utility
US 4,538,138 · App. 06/451,744
Integrated security system having a multiprogrammed controller
Inventors:
Roy Harvey, Kevin J. Griffin, Aaron A. Galvin, Louis H. Auerbach
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Dec 17, 1982
Inventors
Roy Harvey
Kevin J. Griffin
Aaron A. Galvin
Louis H. Auerbach
Assignee (at issue)
American District Telegraph Company
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.