Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934743 | Convertor dolly with self steering | Tonja Wall | 2011-05-03 |
| 7878575 | Trailer with sliding safety door | Tonja Wall | 2011-02-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934743 | Convertor dolly with self steering | Tonja Wall | 2011-05-03 |
| 7878575 | Trailer with sliding safety door | Tonja Wall | 2011-02-01 |