Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170248 | Dog bone chain link | Bruce C. Johnson | 2001-01-09 |
| 5956874 | Tooth assembly and lock system | Michael D. Moehnke | 1999-09-28 |
| 5956936 | Elongated chain link | Bruce C. Johnson | 1999-09-28 |