Granted Patent
Utility
US 5,372,779 · App. 08/060,601
Nickel-free white gold alloys
Inventor:
Aldo M. Reti
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: May 12, 1993
Inventor
Aldo M. Reti
Assignee (at issue)
Handy & Harman
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.