Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D593685 | Telescoping ladder rung | Mitchell I. Kieffer, Craig S. Aizman, Bruce A. Hillukka, Wayne A. Shakal | 2009-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D593685 | Telescoping ladder rung | Mitchell I. Kieffer, Craig S. Aizman, Bruce A. Hillukka, Wayne A. Shakal | 2009-06-02 |