Granted Patent
Utility
US 5,474,348 · App. 08/110,981
Motorized actuator for mortise lockset
Inventors:
Ralph P. Palmer, Lyn E. Hamel
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Aug 24, 1993
Inventors
Ralph P. Palmer
Lyn E. Hamel
Assignee (at issue)
Best Lock Corporation
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.