Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265163 | Computer system security device | Gregor H. Speirs | 1993-11-23 |
| 4868863 | Apparatus for connecting data processing equipment to a communication network | John D. Hartley, Mark Germain, Brian D. Key, Ray Jepson, Steven W. Cook +1 more | 1989-09-19 |
| 4653100 | Audio response terminal for use with data processing systems | Christopher James Barnett, Mark Dyche, Yat Hung Ng | 1987-03-24 |