Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604769 | Towing plate | Mark A. Herman, Jeffrey R. Kauffman | 2003-08-12 |
| 5660423 | Abrasion guard for lifting sling fittings | Mark A. Herman | 1997-08-26 |
| 4941698 | Chain lifting plate | Stephen S. Kleinert, Robert Levi Bennett | 1990-07-17 |
| 4909550 | Core sling lifting fixture | Stephen S. Kleinert | 1990-03-20 |