Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821434 | Shoe structure with nails to extend out or retract in by kicking forwards or backwards | — | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821434 | Shoe structure with nails to extend out or retract in by kicking forwards or backwards | — | 1989-04-18 |