Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668846 | Gyroscopically balanced walking cane | — | 2003-12-30 |
| 6135475 | Portable wheelchair | Richard A. Brown, David E. Hume | 2000-10-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668846 | Gyroscopically balanced walking cane | — | 2003-12-30 |
| 6135475 | Portable wheelchair | Richard A. Brown, David E. Hume | 2000-10-24 |