Granted Patent
Utility
US 4,511,331 · App. 06/520,957
Convertible buccal tube/bracket appliance
Inventors:
Robert A. Scebold, James D. Cleary
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Aug 8, 1983
Inventors
Robert A. Scebold
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.