Granted Patent
Utility
US 4,869,757 · App. 07/037,533
Silver alloys of exceptional and reversible hardness
Inventors:
Thomas W. Eagar, Dwarika P. Agarwal, Laura L. Bourguignon, Rosaire Marcotte
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Apr 13, 1987
Inventors
Thomas W. Eagar
Dwarika P. Agarwal
Laura L. Bourguignon
Rosaire Marcotte
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.