Granted Patent
Utility
US 4,934,932 · App. 07/282,453
Dispenser for orthodontic O-rings
Inventor:
James D. Cleary
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Dec 8, 1988
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.