Granted Patent
Utility
US 5,174,754 · App. 07/792,516
Self-ligating, self-locking dental bracket with T-shaped archwire slot
Inventor:
Michael A. Meritt
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Nov 13, 1991
Inventor
Michael A. Meritt
Assignee (at issue)
Johnson & Johnson Consumer Products, Inc.
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.