Granted Patent
Utility
US 5,931,212 · App. 08/892,981
Motorized operator for doors
Inventors:
Willis Jay Mullet, Yan Rodriguez, Scott A. Slavik
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jul 15, 1997
Inventors
Willis Jay Mullet
Yan Rodriguez
Scott A. Slavik
Assignee (at issue)
Wayne-Dalton Corp.
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.