Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517436 | Digital signal processor for audio applications | David Andreas, J. William Mauchly | 1996-05-14 |
| 5027306 | Decimation filter as for a sigma-delta analog-to-digital converter | Albert J. Charpentier, David Andreas | 1991-06-25 |