Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640152 | Hand held computer input apparatus and method | — | 1997-06-17 |
| 5485171 | Hand held computer input apparatus and method | John Mark Richter | 1996-01-16 |
| D349491 | Handheld input device for computers | Alex Bally | 1994-08-09 |
| D340042 | Handheld computer pointing device | Dan H. Chinda | 1993-10-05 |