Granted Patent
Utility
US 5,156,547 · App. 07/613,366
Disposable prophylaxis angle and method of assembling
Inventor:
Ronald L. Bailey
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Nov 15, 1990
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.