Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347509 | Recovering digital information represented by multi-dimensionally encoded symbols carried by an information storage medium | Paul R. Goldberg, Douglas E. Mandell | 1994-09-13 |
| D349734 | Activity toy | — | 1994-08-16 |