Granted Patent
Utility
US 5,722,276 · App. 08/791,026
Method for attaching faceplate mounting tabs to a mortise lock housing and tabs and housings adapted for that method
Inventors:
Helmut R. Aigner, Steven Small
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Jan 27, 1997
Inventors
Helmut R. Aigner
Steven Small
Assignee (at issue)
Schlage Lock Company LLC
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.