Granted Patent
Utility
US 5,464,362 · App. 08/271,645
Endodontic instrument
Inventors:
Derek E. Heath, Jerry A. Mooneyhan
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Jul 7, 1994
Inventors
Derek E. Heath
Jerry A. Mooneyhan
Assignee (at issue)
Tulsa Dental Products, L.L.C.
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.