Granted Patent
Utility
US 6,238,211 · App. 09/400,217
Fitting for dental syringe
Inventor:
Bernard S. Esrock
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Sep 21, 1999
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.