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 |
| 7434509 | Guide system for forming ink images A guide system comprising a plurality of guide members, where each guide member comprises an exposed surface and an intermediate portion between first and second end portions. The first end portion comprises a deformable detent member defining a detent projection. T... | 10/14/2008 |
| 7231722 | Lay out line A chalk line apparatus for marking regularly spaced locations. The apparatus comprises a casing for powdered chalk containing a rotatable reel, a wire rope wound on said reel, and an exit opening for the wire rope at one end of the holder. The wire rope is coated wi... | 06/19/2007 |
| 7040227 | Stamping devices and methods An adhesive-backed lenticular lens may be applied over an image. The image may be generated by transferring from an ink source to a ink transfer print plate having a regular pattern of raised and recessed areas or may be applied by a stamp having an image formed by ... | 05/09/2006 |
| 6969442 | Method of using an overlay to verify or form a folding, embossing, or rule die A method of using an overlay (310) to verify or form folding, embossing, or rule die (320) comprising the steps of: forming an overlay consisting of the steps of: creating an imaged receiver sheet (140) having an image (210), a first ther... | 11/29/2005 |
| 6926788 | Method for using an overlay to form a rule die A method of forming an overlay (310) to form a rule die (320) comprising the steps of: forming an overlay using a method consisting of the steps of: creating an imaged receiver sheet (140) having an image (210), a first thermal print laye... | 08/09/2005 |
| 6905755 | Security document with raised intaglio printed image A security document or other device including a substrate (2), a smooth highly reflective layer (1) applied thereto and having a reflectivity of at least 60 gloss units, and a raised printed image (3) applied to said reflective layer by a printi... | 06/14/2005 |
| 6850311 | Method of manufacturing electro-optical device by flexography for reduced moire When an alignment film 416 and an overcoating film 429 are formed by flexography on the front side of a second transparent substrate 420, on which color filters 407R, 407G, and 407B are formed at a predetermined same-color p... | 02/01/2005 |
| 6692605 | Method for laminating an overlay to verify a pattern or as a pattern A method for forming an overlay (310); to be used to verify or form a folding die (300), embossing die (330), or rule die (320) comprising the steps of; creating an imaged receiver sheet (140) having an image (210), a first thermal print layer (224), and ... | 02/17/2004 |
