Six-year-old Robert W. Patch granted a patent for a "toy truck".
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| Number | Title | Issue Date |
| D660790 | Battery | 05/29/2012 |
| D659088 | Battery | 05/08/2012 |
| D647052 | Spiral wound battery | 10/18/2011 |
| D647051 | Spiral wound battery | 10/18/2011 |
| D643811 | Flat plate battery | 08/23/2011 |
| D643810 | Flat plate battery | 08/23/2011 |
| D633865 | Spiral wound battery | 03/08/2011 |
| D633863 | Spiral wound battery | 03/08/2011 |
| D633864 | Spiral wound battery | 03/08/2011 |
| D633866 | Spiral wound battery | 03/08/2011 |
| D553563 | Electric bicycle battery pack | 10/23/2007 |
| 7252558 | Portable power supply The present invention includes a portable power supply having a housing that encloses a battery. Booster cables protrude from the housing and are electrically connected to the battery. Electrical clamps are attached to the booster cables and may connect to electrica... | 08/07/2007 |
| D516505 | Battery case | 03/07/2006 |
| D514506 | Battery case | 02/07/2006 |
| D511742 | Battery case | 11/22/2005 |