Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978304 | Training aid for shoelace tying | — | 1990-12-18 |
| 4842522 | Training shoelace | James S. Stanfield | 1989-06-27 |
| 4721468 | Training shoelace | James S. Stanfield | 1988-01-26 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978304 | Training aid for shoelace tying | — | 1990-12-18 |
| 4842522 | Training shoelace | James S. Stanfield | 1989-06-27 |
| 4721468 | Training shoelace | James S. Stanfield | 1988-01-26 |