Granted Patent
Utility
US 6,131,966 · App. 09/209,217
Latch holdback mechanism for a mortise lock
Inventors:
Frederick M. Hensley, Robert A. Babinski
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Dec 10, 1998
Inventors
Frederick M. Hensley
Robert A. Babinski
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.