Granted Patent
Utility
US 4,448,735 · App. 06/431,893
Tooth positioner with harder areas
Inventor:
Gerald W. Huge
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Sep 30, 1982
Inventor
Gerald W. Huge
Assignee (at issue)
Professional Positioners, Inc.
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.