Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225642 | Diamond cut | Philip Katz | 2007-06-05 |
| 7225149 | Method for selling jewelry with stones from a single source | Benjamin Silberstein | 2007-05-29 |
| 6430963 | Diamond cut | Philip Katz | 2002-08-13 |
| D447440 | Diamond cut | Philip Katz | 2001-09-04 |