Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809804 | Combination wheelchair and walker apparatus | Thomas T. Houston | 1989-03-07 |
| 4802542 | Powered walker | Thomas T. Houston | 1989-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809804 | Combination wheelchair and walker apparatus | Thomas T. Houston | 1989-03-07 |
| 4802542 | Powered walker | Thomas T. Houston | 1989-02-07 |