Granted Patent
Utility
US 6,038,896 · App. 09/214,727
Lockset with motorized system for locking and unlocking
Inventors:
L. C. Derek Chamberlain, Frederick M. Hensley
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jan 11, 1999
Inventors
L. C. Derek Chamberlain
Frederick M. Hensley
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.