Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224708 | Symmetrical dice with card indicia | Richard W. Gathman | 1993-07-06 |
| 5145175 | Symmetrical dice with card indicia | Richard W. Gathman | 1992-09-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224708 | Symmetrical dice with card indicia | Richard W. Gathman | 1993-07-06 |
| 5145175 | Symmetrical dice with card indicia | Richard W. Gathman | 1992-09-08 |