Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662671 | Lock assembly with locking handle | — | 2020-05-26 |
| 8807609 | Door lock with removable handle and puck lock | — | 2014-08-19 |
| 6758482 | Multipurpose storage and transport cart | — | 2004-07-06 |
| 6481727 | Hand truck toe plate and method of manufacture | — | 2002-11-19 |
| 6308967 | Dual hand truck | Robert D. Rahn | 2001-10-30 |
| D395105 | Hand truck | — | 1998-06-09 |
| 5749588 | Composite hand truck | — | 1998-05-12 |
| D384467 | Hand truck side frame | — | 1997-09-30 |