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Charles Kettering
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| Number | Title | Issue Date |
| 7422228 | Sports board The invention is directed to a sports board (15). In the preferred embodiment, the board comprises an expanded polymer foam core (16), an extruded thermoplastic polymer outer layer (20) having an inner surface (21) and an outer surface ( | 09/09/2008 |
| 7417437 | Vehicle battery testing assembly A portable assembly includes a multi-level housing having a vertically oriented back wall and an elongated rectilinear axle conjoined thereto. The housing further includes an elongated handle having a lower end portion monolithically formed with the back wall. A plu... | 08/26/2008 |
| 7165775 | Sled with a center tie-down A sled includes a hull having opposed first and second side walls. First and second strap anchors are mounted on the respective first and second side walls. A center strap anchor is disposed between the first and second strap anchors. ... | 01/23/2007 |
| 7108270 | All-weather sled A convertible sled for use by a rider. The convertible sled includes a body, a mounting unit coupled to the body for coupling plural wheels or plural sledding members, and a steering unit moveably coupled to the body at the front portion of the body such that, when ... | 09/19/2006 |
| 6575479 | Three runner sled A three runner sled includes a single steerable front runner and two directionally fixed rear runners extending from a frame. The frame has a longitudinal backbone member with an elongate seat. Each rear runner has a knee rest somewhat forwardly positione... | 06/10/2003 |