Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816572 | Chip for board game | — | 1998-10-06 |
| 5794933 | Enhanced playing chip for word games | Julia M. Chalfin | 1998-08-18 |
| 5615886 | Word forming board game with colored transparent tiles | Julia M. Chalfin | 1997-04-01 |