Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881135 | Service platform | Martin Owen Watts, Dave Michael Elliston, Patrick M. Hughes | 1999-03-09 |
| 5581600 | Service platform | Martin Owen Watts, Dave Michael Elliston, Patrick M. Hughes | 1996-12-03 |
| 4912766 | Speech processor | — | 1990-03-27 |
| 4577071 | Echo canceller with adaptive residual center clipper controlled by echo estimate | Robert D. Johnston | 1986-03-18 |