Granted Patent
Utility
US 5,786,761 · App. 08/853,599
Gate opening alarm with resetting disable means
Inventor:
Joseph Hui
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: May 9, 1997
Inventor
Joseph Hui
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.