Granted Patent
Utility
US 6,406,568 · App. 09/935,114
18-karat green gold alloy compositions
Inventors:
Dwarika P. Agarwal, Grigory Raykhtsaum
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Aug 22, 2001
Inventors
Dwarika P. Agarwal
Grigory Raykhtsaum
Assignee (at issue)
LEACHGARNER, INC.
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.