"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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| Number | Title | Issue Date |
| 7308843 | Spring-biased brake mechanism for power equipment Woodworking machines are disclosed having cutting tools for cutting workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool. The machines also include at least one brake component a... | 12/18/2007 |
| 7137326 | Translation stop for use in power equipment Woodworking machines are disclosed having cutting tools movable into a cutting zone for cutting workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool, and a reaction system adapte... | 11/21/2006 |
| 5491460 | Instrument switch having integrated overcurrent protection An electrical instrument switch includes a rocker switch for manual on-and-off switching and that is seated in an insulation housing. Depending on the pivot position, the rocker switch moves, with a working end that dips into the housing interior, a conta... | 02/13/1996 |