Granted Patent
Utility
US 5,160,262 · App. 07/650,874
Dental articulator
Inventors:
Michael C. Alpern, Ralph J. Brandon, Douglas G. Nuelle
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Feb 5, 1991
Inventors
Michael C. Alpern
Ralph J. Brandon
Douglas G. Nuelle
Assignee (at issue)
Ormco 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.