Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309144 | Proximity sensing security system | David K. Lacombe, Michael C. Scofield | 1994-05-03 |
| 5279514 | Gift with personalized audio message | David K. Lacombe, Sherry Yu-Kim | 1994-01-18 |