Granted Patent
Utility
US 5,772,433 · App. 08/423,994
Disposable dental syringe tip
Inventor:
Bernard S. Esrock
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Apr 18, 1995
Inventor
Bernard S. Esrock
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.