Granted Patent
Utility
US 5,238,404 · App. 07/875,251
Orthodontic brace for positioning teeth
Inventor:
Craig A. Andreiko
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Apr 27, 1992
Inventor
Craig A. Andreiko
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.