Granted Patent
Utility
US 4,243,412 · App. 06/046,325
Dental alloy
Inventor:
Dinesh C. Tandon
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Jun 7, 1979
Inventor
Dinesh C. Tandon
Assignee (at issue)
Sybron Corporation
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.