Granted Patent
Utility
US 3,980,472 · App. 05/596,399
Dental amalgam
Inventors:
Kamal Asgar, Steven H. Reichman
Patented Case
View Patent ↗
Granted: Sep 14, 1976
Filed: Jul 16, 1975
Inventors
Kamal Asgar
Steven H. Reichman
Assignee (at issue)
SPECIAL METALS 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.