Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671613 | Gem setting having notched prongs | Frederick W. Klotz, Stephen D. Stickley | 1997-09-30 |
| 5635131 | Palladium white gold alloy ring settings and method of making same | Frederick W. Klotz | 1997-06-03 |