Granted Patent
Utility
US 5,328,369 · App. 07/963,132
Dental prophylaxis angle
Inventor:
Ronald L. Bailey
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Oct 19, 1992
Inventor
Ronald L. Bailey
Assignee (at issue)
Young Dental Manufacturing Company 1, LLC
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.