Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7137464 | Stair climbing hand truck | — | 2006-11-21 |
| 6619905 | Drum handling device | — | 2003-09-16 |
| 6364328 | Three-position hand truck using multiple locking mechanisms and/or a combination connecting member and channel | — | 2002-04-02 |
| 6328319 | Hand truck convertible to a cart | — | 2001-12-11 |
| 6234497 | Hand truck having a folding nose piece | — | 2001-05-22 |