Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749583 | Apparatus and method of playing an expanded chess game | Tengiz Sadounichvili | 1998-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749583 | Apparatus and method of playing an expanded chess game | Tengiz Sadounichvili | 1998-05-12 |