Granted Patent
Utility
US 5,321,963 · App. 07/945,387
Door locking system having a sensor for controlling activating/deactivating of a locking device
Inventor:
Ilan Goldman
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Sep 16, 1992
Inventor
Ilan Goldman
Assignee (at issue)
Ilco Unican 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.