Granted Patent
Utility
US 5,829,973 · App. 08/859,484
Plastic orthodontic appliance, plastic appliance mechanical bonding base and method of making same
Inventors:
Craig A. Andreiko, David L. Ludwig
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: May 20, 1997
Inventors
Craig A. Andreiko
David L. Ludwig
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.