Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490322 | Digital opaque projector for easy creation and capture of presentation material | Daniel A. Teibel | 2002-12-03 |
| 6363427 | Method and apparatus for a bulletin board system | Dan A. Teibel | 2002-03-26 |