Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11383747 | Cart | — | 2022-07-12 |
| D833703 | Foot guard for lift | — | 2018-11-13 |
| 9429180 | Locking stem/fastener and caster having same | — | 2016-08-30 |
| 9027204 | Casters having weight transferring tab | — | 2015-05-12 |
| 8407856 | Caster with weight transferring tab | — | 2013-04-02 |
| 8042226 | Caster with weight transferring tab | — | 2011-10-25 |
| 7841447 | Ladder with removable step and method of storing the ladder in a compact container | — | 2010-11-30 |
| D602769 | Caster | — | 2009-10-27 |
| 7546662 | Caster with weight transferring tab | — | 2009-06-16 |
| D592490 | Caster | — | 2009-05-19 |
| 6951265 | Foldable stairway ladder | Gerald E. Kuehl | 2005-10-04 |
| D506858 | Combined ladder-cart | Gerald E. Kuehl, Ronald Bernard | 2005-06-28 |