Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155895 | Coupling link | Stephen P. Doan, Anthony Miotke | 2007-01-02 |
| 6871486 | Chain link with angularly disposed end portions | Stephen P. Doan, Richard Stewart, David Garnet John Conroy, Martin Charles Simpson, James Russell +1 more | 2005-03-29 |
| 5966849 | Lock system for excavating tooth point and adapter and for rigging | Bruce C. Johnson | 1999-10-19 |
| 5956874 | Tooth assembly and lock system | Garrick J. Ianello | 1999-09-28 |
| 5937551 | Lock system for excavating tooth point and adapter | Bruce C. Johnson | 1999-08-17 |