Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7536210 | Modular housing with housing plates Systems and methods that reduce a number of holes that penetrate into a housing of mobile computing device by employing a modular housing with a housing plate(s) attachable thereto. Such housing plates can form a segment of a stylus trough and also facilitate attach... | 05/19/2009 |
| D571717 | Mobile device battery | 06/24/2008 |
| D571718 | Mobile device battery | 06/24/2008 |
| D537775 | Mobile device battery | 03/06/2007 |
| D517086 | Charging cradle for an electro-optical reader | 03/14/2006 |
| 6999797 | Handle grip for a mobile terminal The present invention relates generally to an improved handle grip for a mobile terminal such as a personal digital assistant. More specifically, this invention relates to an improved handle grip for a mobile terminal that can be easily secured to and removed from a... | 02/14/2006 |
| 6837435 | Adapter unit having a handle grip for a personal digital assistant The present invention relates generally to an adapter unit for a personal digital assistant. More specifically, this invention relates to an adapter unit that has a handle grip. The adapter unit provides additional functionality, and improved ergonomics and increase... | 01/04/2005 |
