The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| D655048 | Helmet | 02/28/2012 |
| D654628 | Helmet | 02/21/2012 |
| D650132 | Helmet | 12/06/2011 |
| D645210 | Helmet | 09/13/2011 |
| 7975320 | Helmet including vent and actuator assembly for moving vent shutter and methods of using same The invention is directed to protective helmets having vents with a manually operable vent shutter and methods of using same. In one embodiment, a helmet includes an outer shell, an upper liner, a lower liner, and a vent shutter positioned within a space defined by ... | 07/12/2011 |
| 7865977 | Thermal goggle lens assembly with externally vented chamber A sports goggle includes double lens goggles having inner and outer lenses joined at their perimeter by an adhesive, such as silicone, to form an air cavity. A vent is formed on the outer lens to permit equalization of the air cavity with the environment. The vent i... | 01/11/2011 |
| D629034 | Goggles | 12/14/2010 |
| 7000263 | Pivotable strap-buckle assembly This invention is directed towards an apparatus for securing and adjusting a strap. More particularly, the present invention is directed towards a buckle assembly having a pivotable member pivotably attached to opposed regions of the buckle frame. In one embodiment,... | 02/21/2006 |