Granted Patent
Utility
US 5,779,470 · App. 08/660,371
Tongue thrust oral habit retrainer
Inventor:
Leon Kussick
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Jun 7, 1996
Inventor
Leon Kussick
Assignee (at issue)
Kussick Orthodontic Systems, 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.