Granted Patent
Utility
US 4,408,989 · App. 06/345,983
Orthodontic palatal arch wires for accurate transmittal of correctional forces
Inventor:
James D. Cleary
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Feb 5, 1982
Inventor
James D. Cleary
Assignee (at issue)
Unitek
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.