...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 |
| D655482 | Pants pockets | 03/13/2012 |
| D645782 | Reversible belt buckle | 09/27/2011 |
| 7988023 | Adjustable gun sling A gun sling for carrying a rifle or shotgun is adjustable to serve either as a bungee sling or a fixed-length, non-stretch sling. In a preferred embodiment this is realized with a flexible sheath forming a portion of the sling, with a bungee cord or stretchable stra... | 08/02/2011 |
| 7681255 | Pants with cargo pocket to accommodate thigh rig A tactical pair of pants for police, military or other weapon-carrying personnel has a cargo pocket system that functions to store items in several pocket compartments in a normal cargo pocket configuration, or to carry a thigh rig holster for a pistol, in a dedicat... | 03/23/2010 |
| D586692 | Belt buckle | 02/17/2009 |
| 6986164 | Tactical shirt for carrying a concealed weapon A tactical shirt helps reduce the weight and bulk of items normally carried on a police officer's duty belt. A hidden front pocket extends essentially from the shirt's placket to the side seam of the shirt, providing a large cavity with an ample vertical opening lin... | 01/17/2006 |
| 6760922 | Tactical vest with concealed carry pocket A tactical vest particularly for police has a hidden pocket which extends between panels of fabric to the back of the vest and preferably completely around the vest to the opposite side. A large patch of material with loop fasteners, preferably nearly as tall as the... | 07/13/2004 |