Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7088040 | Light source using emitting particles to provide visible light Upconversion methods and devices that converts near-infrared light to the visible spectrum using a rare-earth-doped crystalline host for use as general and decorative lighting. The pseudo-monochromatic output of the processes can be specified by altering the amount ... | 08/08/2006 |
| D496119 | Combined solar powered outdoor lantern and stake mount | 09/14/2004 |
| 6283757 | Full motion two seat interactive simulator Full motion interactive simulator for use by two or more persons that can play a simulation game running on a display screen, where each player can alternate controlling the pitch and roll of a motion base platform supporting a vehicle on which the player... | 09/04/2001 |
| 5935538 | Apparatus and method for photocatalytic conditioning of flue gas fly-ash particles A process is provided for conditioning fly-ash present in flue gas which also contains sulfur dioxide and steam by subjecting the fly-ash containing flue gas to ultraviolet radiation so as to convert steam present in the flue gas into hydroxyl radicals wh... | 08/10/1999 |
| 5659561 | Spatial solitary waves in bulk quadratic nonlinear materials and their applications This invention encompasses generating electromagnetic solitary waves in two-transverse spatial dimensions. These wave beams propagate without diffraction and are equivalent to the normal modes of propagation of a nonlinear system governed by second order ... | 08/19/1997 |
| 5653443 | Rotatable cribbage board A rotatable cribbage game board allows players to make their successive turns without getting up from their seats and without having to physically move the entire game board. The novel game board has a top wooden member rotatable relative to a stationary ... | 08/05/1997 |
| 5615923 | Cover for vehicle window A windshield protective cover for front and rear, inside or outside vehicle windows, includes a dual sided reflective silver/silver coated or laminated polyethylene with a fiber inner scrim for strength material, that attaches to windshields. The cover, w... | 04/01/1997 |
