Granted Patent
Utility
US 5,109,278 · App. 07/548,847
Auto freeze frame display for intrusion monitoring system
Inventors:
Charles H. Erickson, Peter A. Erio, James E. Kase
Patented Case
View Patent ↗
Granted: Apr 28, 1992
Filed: Jul 6, 1990
Inventors
Charles H. Erickson
Peter A. Erio
James E. Kase
Assignee (at issue)
Commonwealth Edison 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.