Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369571 | Method and apparatus for acquiring demographic information | — | 1994-11-29 |
| 5023850 | Clock for keeping time at a rate other than human time | Barry D. Thomas | 1991-06-11 |