Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D437679 | Adjustable walker cane | Walter E. Lisowski | 2001-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D437679 | Adjustable walker cane | Walter E. Lisowski | 2001-02-20 |