Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259033 | Hearing aid having compensation for acoustic feedback | Rupert Leslie Alexander Goodings, Philip Wilson, Roy Hansen | 1993-11-02 |
| 4484299 | Digital filter arrangement having memory means with addressable words stored therein | Edward H. Lambourn | 1984-11-20 |