Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875300 | Track shoe with a detachable spike plate by the use of plastic spikes | — | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875300 | Track shoe with a detachable spike plate by the use of plastic spikes | — | 1989-10-24 |