Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7287878 | LED sign cover and method of manufacture A cover for a LED sign is manufactured from a stainless steel sheet that is dimensionally larger than the array of light emitting diodes comprising the LED sign. The stainless steel sheet is laser cut and then bent to simultaneously form a plurality of apertures and... | 10/30/2007 |
| 7252571 | Deer rattle A device for the simulation of the sound of interacting antlers which comprises a plurality of bound rods encircling a cam rod, and wherein the cam rod is attached to a crank, and wherein the crank extends from its attachment to the cam rod to facilitate manipulatio... | 08/07/2007 |
| 6524161 | Luminous toy A luminous toy capable of emitting light at any time anywhere without having to worry about a power shortage and failing to turn off a switch and capable of preventing environmental pollution. The luminous toy includes a toy body provided with a piezoelec... | 02/25/2003 |
| 4993986 | Fuzz blower power tube The fuzz blower power tube of the present invention disclosed herein agitates floats in generally non laminar fluid flow to cause the floats to acquire a static charge. The charged floats repel each other and may cling to portions of the tube of opposite ... | 02/19/1991 |
| 4553748 | Electrostatically enhanced game An electrostatic enhancement apparatus for a video arcade or other game, including an electrostatic generator for generating a high voltage low current electrostatic charge, an electrode coupled to the generator for providing the electrostatic charge to a... | 11/19/1985 |
| 4109413 | Levitation toy and method of operation thereof Electrostatically charged components of the same polarity comprising a charged tube or wand for launching into and maintaining levitation or flight of any selected one or more of a plurality of similarly charged levitatable objects of similar and dissimil... | 08/29/1978 |
