Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8419867 | Gold alloy compositions formed by environmentally friendly process | Dwarika P. Agarwal, Grigory Raykhtsaum | 2013-04-16 |
| 6139652 | Tarnish-resistant hardenable fine silver alloys | Ronald A Mondillo | 2000-10-31 |
| 5749979 | 14K gold alloy with silver, copper, zinc and cobalt | Mark Cooper Hanna | 1998-05-12 |