Granted Patent
Utility
US 5,074,783 · App. 07/437,199
Orthodontic bracket coated with water-soluble dye
Inventor:
James F. Reher
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Nov 16, 1989
Inventor
James F. Reher
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.