Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254387 | Acoustic wave devices | Richard Stevens, Philip D. White, Richard F. Mitchell | 1981-03-03 |
| 4247836 | Acoustic wave devices | Frederick W. Smith, Richard F. Mitchell | 1981-01-27 |