Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174678 | Locking assembly for a telescoping ladder | Mitchell I. Kieffer | 2021-11-16 |
| 10995547 | Telescoping ladder with a cascading collapse mechanism | Mitchell I. Kieffer | 2021-05-04 |