Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D857535 | Grip for a gem tester | Daniel L. Kessler | 2019-08-27 |
| 10352868 | Grading lamp for gemstones | Daniel L. Kessler | 2019-07-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D857535 | Grip for a gem tester | Daniel L. Kessler | 2019-08-27 |
| 10352868 | Grading lamp for gemstones | Daniel L. Kessler | 2019-07-16 |