Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6529878 | System for rewarding viewers of interactive commercial advertisements | Carey A. De Rafael | 2003-03-04 |
| 5926793 | Digital-timeshare-exchange | Carey A. De Rafael | 1999-07-20 |