Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476173 | Quick release mechanism for a sign display stand | Bob L. Wielenga, Felipe Almanza, Geoffrey B. Maus, Jeremy Smith, Kevin Gasperini | 2016-10-25 |
| 8142130 | Safety cone placing device and method | — | 2012-03-27 |
| 7827717 | Foldable traffic sign | Bob L. Wielenga | 2010-11-09 |
| 7571561 | Deployable traffic sign | — | 2009-08-11 |
| 7444774 | Foldable traffic sign | Bob L. Wielenga | 2008-11-04 |
| 7350328 | Deployable traffic sign | — | 2008-04-01 |
| 7300165 | Guardrail reflector/delineator and mounting device therefor | — | 2007-11-27 |
| 7124892 | Safety cone holder device | — | 2006-10-24 |
| 7036701 | Trash disposal method | — | 2006-05-02 |
| 7007630 | Flexible marker device | — | 2006-03-07 |
| 7007420 | Barricade sign | — | 2006-03-07 |
| 6928952 | Compact safety cone | — | 2005-08-16 |
| 6766760 | Flexible marker device | — | 2004-07-27 |
| 6752582 | Safety cone placing device and method | — | 2004-06-22 |
| 6220622 | Wheelbarrow rear wheel system | — | 2001-04-24 |
| 6138822 | Cigarette packaging system with an ashtray unit | — | 2000-10-31 |