Jostens, Inc.

Todd Cleabert Bridgeman

Miran Armutlu

John Forryan

Suzanne M Dauck

Gail Fillmer

Ring assembly

A gold alloy having, expressed by weight, about 24.5 to 25.5% Au, about 19.0 to 23.0% Ag, about 43.0 to 47.0% Cu, about 6.0 to 10.0% Zn, about 0.05 to 0.30% Si, and about 0.005 to 0.03% Ir. Alternatively, a alloy having, expressed by weight, about 16-17% Au, about 19-23% Ag, about 50-55% Cu, about 6-10% Zn, about 0.05-0.30% Si, and about 0.005-0.03% Ir.

Gold alloys

A platinum-free silver alloy may include about 0.1% to 0.9% Au, about 83% to 90% Ag, about 2% to 3% Pd, about 3% to 5% Zn, about 2% to 8% Cu, about 0.01% to 0.4% B, about 0.1% to 0.3% Ge, and about 0.01% to 0.03% Ir.

Growing community of inventors

Faribault, MI, United States of America

Todd Cleabert Bridgeman