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 |
| D619919 | Fortune keepsake pendant necklace | 07/20/2010 |
| D618130 | Jewelry item for protectively enclosing an insert element | 06/22/2010 |
| D606447 | Cylinder memorial pendant | 12/22/2009 |
| D586253 | Personal memorabilia carrier | 02/10/2009 |
| D586252 | Cylindrical pendant storage apparatus | 02/10/2009 |
| D583700 | Jewelry pendant | 12/30/2008 |
| D572164 | Jewel | 07/01/2008 |
| D570724 | Rounded pendant storage container | 06/10/2008 |
| 7347360 | Foldable transaction card systems for non-traditionally-sized transaction cards Transaction cards having one or more folds therein for compact and easily stored transaction cards are provided. Moreover, foldable transaction cards are provided having one or more holes or apertures therein for holding key chains, or other devices for attaching th... | 03/25/2008 |
| D558635 | Openable pendant with moveable items | 01/01/2008 |
| D553045 | Expandable locket | 10/16/2007 |
| 7257967 | Convertible identification (ID) tag and jewelry A fine jewelry chain made of precious metal, base metal, or metal alloy, which may be used by day as an ID card holder in the form of a necklace, bracelet, belt, or watch-type chain, and by night as a piece of decorative jewelry in the form of a necklace, bracelet, ... | 08/21/2007 |
| 7147151 | Foldable transaction card systems Transaction cards having one or more folds therein to provide compact and easily stored transaction cards are provided. Moreover, foldable transaction cards are provided having one or more holes or apertures therein for holding key chains, or other devices for attac... | 12/12/2006 |
| D531538 | Jewelry | 11/07/2006 |
| 4048824 | Key case A house key is removably mounted on a key fastener in an ornamental housing worn on a neck chain by a person.... | 09/20/1977 |
