Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D548641 | Rectangular-shaped gemstone crown arrangement | Benjamin Siebenberg | 2007-08-14 |
| D548131 | Rectangular-shaped gemstone pavillion arrangement | Benjamin Siebenberg | 2007-08-07 |