Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137102 | Combination wheelchair and walker apparatus | Raymond H. Metzger | 1992-08-11 |
| 4809804 | Combination wheelchair and walker apparatus | Raymond H. Metzger | 1989-03-07 |
| 4802542 | Powered walker | Raymond H. Metzger | 1989-02-07 |