Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681042 | Game board apparatus | Joseph R. D'Aurora | 1997-10-28 |
| 4466515 | Investment game board and apparatus | Joseph R. D'Aurora | 1984-08-21 |
| 4369973 | Electronic crossword puzzle | Joseph R. D'Aurora | 1983-01-25 |