Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D860476 | Hinge for a multi-position ladder | Joseph P. Foley, Dennis D. Simpson | 2019-09-17 |
| D855833 | Ladder rail | Joseph P. Foley, Dennis D. Simpson | 2019-08-06 |
| D840055 | Step ladder | Jeff Skubic, Dennis D. Simpson, Yongxue Lu | 2019-02-05 |