Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4885763 | Voice mail system with improved detection and cancellation | Dennis O'Brien, Paul G. Hanson, Bruce C. Nepple, Michael C. Park, Robin R. Rosas | 1989-12-05 | $1,102,000 |
| 4747126 | Voice mail system on magnetic tape | William Gregory Hood, Kai-Dick Lee, Bruce C. Nepple, Daniel C. Olin, Lawrence B. Park +1 more | 1988-05-24 | $1,576,000 |