Granted Patent
Utility
US 6,209,931 · App. 09/255,297
Multi-point door locking system
Inventors:
Eric Von Stoutenborough, Stephen M. Purcell, Michael D. Smith, Thomas Wright
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Feb 22, 1999
Inventors
Eric Von Stoutenborough
Stephen M. Purcell
Michael D. Smith
Thomas Wright
Assignee (at issue)
Newell Operating Co.
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.