Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D287145 | Case for a portable computer game or similar device | Albert R. Shilton | 1986-12-09 |
| 4472067 | Chess clock | Donald M. Richardson | 1984-09-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D287145 | Case for a portable computer game or similar device | Albert R. Shilton | 1986-12-09 |
| 4472067 | Chess clock | Donald M. Richardson | 1984-09-18 |