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 |
| 6563213 | Integrated circuit heat sink support and retention mechanism The present invention provides an improved heat sink retention assembly, such that the heat sink is physically supported by a base rather than by an integrated circuit. Traditional heat sinks have an alignment feature that physically aligns and supports t... | 05/13/2003 |
| 6144284 | Blown fuse indicator cap and method of use A blown fuse indicator cap which is removably attachable to a pre-existing prior art cartridge type fuse housing, with the cap having indicator means thereon which notifies a user that the fuse has blown and needs replacing.... | 11/07/2000 |
| 4025888 | Fuse and visual indicator mounting apparatus A mounting block comprises a plurality of identically structured mounting cups in which are positioned alternatively a fuse support or a light emitting diode (LED) suport. Each LED is associated with a fuse to provide a visual status display of the fuse. ... | 05/24/1977 |
