Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D962480 | Retractable telescopic ladder | — | 2022-08-30 |
| 10480245 | Telescopic ladder assembly | — | 2019-11-19 |
| 10161184 | Telescopic ladder assembly | — | 2018-12-25 |
| 9707678 | Combined portable step stool and workpiece support device | Maarten Olden | 2017-07-18 |
| 9488003 | Portable ladder with a stand off device | Maarten Olden | 2016-11-08 |
| 8869937 | Combined portable step stool and workpiece support device | Maarten Olden | 2014-10-28 |
| 8844675 | Portable ladder with a stand off device | Maarten Olden | 2014-09-30 |