Granted Patent
Utility
US 5,635,131 · App. 08/249,997
Palladium white gold alloy ring settings and method of making same
Inventors:
Frederick W. Klotz, Torrance D. Hoover
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: May 27, 1994
Inventors
Frederick W. Klotz
Torrance D. Hoover
Assignee (at issue)
HOOVER & STRONG, 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.