Granted Patent
Utility
US 4,216,375 · App. 06/019,733
Self-contained programmable terminal for security systems
Inventors:
Bryan D. Ulch, Donald P. Sturgis, Robert J. Fox
Patented Case
View Patent ↗
Granted: Aug 5, 1980
Filed: Mar 12, 1979
Inventors
Bryan D. Ulch
Donald P. Sturgis
Robert J. Fox
Assignee (at issue)
ATO BV
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.