Granted Patent
Utility
US 5,898,368 · App. 09/046,734
Test indicator control circuit for security alarm device
Inventors:
Lucas Handley, John Peterson
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Mar 24, 1998
Inventors
Lucas Handley
John Peterson
Assignee (at issue)
Digital Security Controls Ltd.
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.