Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D320196 | Portable computer docking station | Thomas Mitchell, Douglas C. Bushman | 1991-09-24 |
| D312623 | Low-profile computer keyboard | Thomas Mitchell, Douglas C. Bushman | 1990-12-04 |
| 4903222 | Arrangement of components in a laptop computer system | Thomas Mitchell, Douglas C. Bushman | 1990-02-20 |