Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128871 | Silver-colored alloy with low percentages of copper and zinc | — | 2006-10-31 |
| 5882441 | Silver colored alloy with low percentage copper | — | 1999-03-16 |
| 5817195 | Silver colored alloy with low percentage of nickel and copper | — | 1998-10-06 |
| 5330713 | Gold-colored alloy | — | 1994-07-19 |
| 5037708 | Silver palladium alloy | — | 1991-08-06 |
| 5019335 | Gold colored metal alloy | — | 1991-05-28 |
| 4948557 | Tarnish resistant gold colored alloy with enhanced gold color | — | 1990-08-14 |
| 4895701 | Gold colored alloy composition with zero percent gold | — | 1990-01-23 |
| 4865809 | Copper-free gold alloy composition | — | 1989-09-12 |
| 4350527 | Gold-colored, acid and corrosion resistant alloy | — | 1982-09-21 |