Granted Patent
Utility
US 6,540,274 · App. 09/792,181
Slide
Inventors:
Peter Bates, Thor Hendrickson, Dario L. Pompeii
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Feb 23, 2001
Inventors
Peter Bates
Thor Hendrickson
Dario L. Pompeii
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.