Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971902 | Lumbar extension machine | Virgil L. Robertson, Joe L. Verna | 1999-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971902 | Lumbar extension machine | Virgil L. Robertson, Joe L. Verna | 1999-10-26 |