Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647194 | Device for judging brilliancy of precious stones such as diamonds or the like | Kazuo Inoue | 1987-03-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647194 | Device for judging brilliancy of precious stones such as diamonds or the like | Kazuo Inoue | 1987-03-03 |