Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056717 | Waste collection system | — | 2015-06-16 |
| D618316 | Rainwater collector | — | 2010-06-22 |
| D617431 | Simulated rock fountain rainwater collector | — | 2010-06-08 |
| D617430 | Rainwater collector | — | 2010-06-08 |
| D605738 | Rainwater collector | — | 2009-12-08 |
| D600328 | Rainwater collector | — | 2009-09-15 |
| 7475886 | Shopping cart | Timothy A. Otterlee, Rodney L. Hempen | 2009-01-13 |
| 7300062 | Nestable shopping cart | Timothy A. Otterlee, Rodney L. Hempen | 2007-11-27 |
| 7044446 | Removable cart corral guard | Rodney L. Hempen, Timothy A. Otterlee | 2006-05-16 |
| 6945730 | Bollard | — | 2005-09-20 |
| D461612 | Shopping cart | William G. McDonald | 2002-08-13 |
| 6342015 | Double wall slide with varying sloped slide bed playground slide | Jeffrey S. Robertson | 2002-01-29 |
| D438279 | Slide with integrally formed footing | Jeffrey S. Robertson | 2001-02-27 |
| D438280 | Double wall slide with integrally formed footing | Jeffrey S. Robertson | 2001-02-27 |