Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7314179 | Stored-value card with movable graphic portion A stored-value card assembly includes a base substrate and an auxiliary member. The base substrate includes an account identifier linking the stored-value card to at least one of a financial account or a financial record. The auxiliary member is movably coupled to t... | 01/01/2008 |
| 7294060 | Interactive device An interactive device includes a base unit and at least one interchangeable cartridge. The base unit comprises a transparent pressure-sensitive touchscreen overlying the cartridge and a microphone. The cartridge comprises a scroll having a plurality of image frames ... | 11/13/2007 |
| 7131619 | Rotatable display apparatus A display apparatus includes a stationary base portion and a support member mounted to a top surface of the stationary base portion. A vertically extending pole is disposed through the interior of each of the support member and the base portion along a center axis, ... | 11/07/2006 |
| 7131841 | Educational globe-like structure for teaching colors The invention provides an educational globe-like structure for teaching colors and the relationship between different colors, the globe-like structure being arranged to display the interrelationship between colors simultaneously in both longitudinal and latitudinal ... | 11/07/2006 |
| 7040620 | Reel mechanism A reel mechanism for use with a gaming system that includes at least one support member and at least a first and second reel assembly attached to the support member. Each reel assembly comprises at least one chassis attached to the support member and at least one re... | 05/09/2006 |
| 7008581 | Ornamental article and manufacturing method thereof An ornamental article has a shape and a plurality of sides and angles. The sides are simultaneously patterned in the course of a process by which the ornamental article is made. ... | 03/07/2006 |
| 6775517 | Synchronized teaching mobile An apparatus for the education and entertainment of infants includes a housing that supports a plurality of objects over a crib or playpen and which rotates the objects in a circle. An audio program includes a recitation of each object when it is disposed proximate ... | 08/10/2004 |
| 6676415 | Teaching aid A teaching aid comprises a frame (1), a plurality of elongate rods (2) mounted horizontally in the frame and spaced vertically from each other and a plurality of polyhedral blocks (3) rotatably mounted on each rod. Means are provided to releasably hold ea... | 01/13/2004 |
| 6419497 | Tactile sensing device A tactile sensing device allows a user to utilize tactile senses in order to distinguish between a plurality of different surface textures. A body member has a plurality of openings with a plate member rotatably disposed therein. Each plate member has a f... | 07/16/2002 |
| 6377780 | Device for displaying multiple scenes animated by sequences of light A device suitable for use as a child's toy includes a housing having a window through which is visible a medium on which are displayed changing scenes. A plurality of lights are positioned behind the medium and selectively illuminated to provide animation... | 04/23/2002 |
| 6358059 | Method and apparatus for teaching rapid decoding (reading) and encoding (spelling) The present invention discloses a method and tools for teaching rapid and accurate decoding and encoding words. In decoding (reading), the invention delineates the concept of sound units (a combination of blendable letter sounds) and their use to accurate... | 03/19/2002 |
| 6000946 | Collaborative drawing device Described herein is a collaborative drawing device having a support surface configured to support a drawing medium for drawing thereupon by a human user. The drawing device includes a printer that prints prepared graphics on the drawing medium and a scann... | 12/14/1999 |
| 5975911 | Mechanical oscilloscope A device which directly displays a steady state sinusoidal wave by positioning a scrolling pattern of alternating stripes (40 and 42) behind a flexible linear body comprising a vibrating rod (36) or string (50). The stripes (40 and 42) cover the outer sur... | 11/02/1999 |
| 5938448 | Handy keystroke rotary guide for computer programs A universal design of a handy rotary keystrokes guide that simplifies the tasks of personal computer users who prepare spreadsheets, documents, graphs, presentations, reports, etc. It reduces the requirement to remember a multitude of keystrokes and mouse... | 08/17/1999 |
| 5727949 | Reference device for prognosing skin lesions A reference device for use in indicating prognosis of a physical condition based upon selected diagnostic characteristics of the physical condition. The reference device may include a first panel member having first selected diagnostic characteristics of ... | 03/17/1998 |
| 5695345 | Synchronized combined sound and sight entertainment and educational system An audiovisual device for displaying a visual image while simultaneously sounding out a corresponding audio message. The device includes base unit and a number of cartridges which fit into the base unit. Each of the cartridges includes a housing featuring... | 12/09/1997 |
| 5664446 | Combination lock with nonnumerical indicia An improved combination lock comprises any type of conventional combination lock having nonnumerical indicia thereon including a plurality of patches of different daylight fluorescent colors for indicating a predetermined combination. Alternatively, nonnu... | 09/09/1997 |
| 5562459 | Dynamic three dimenional amusement and display device A three-dimensional display device for commercial advertisement and science museum displays is disclosed. Three-dimensional elements are stacked horizontally or vertically along a stationary shaft around which they rotate, and are coupled together in such... | 10/08/1996 |
| 5505623 | Anatomical display apparatus An anatomical display apparatus includes a three-dimensional model simulating at least a portion of a human or animal body and within which is located a body part, region, tissue and/or organ of interest. A plurality of images of the body part, each showi... | 04/09/1996 |
| 5186630 | Universal sun-path dial The invention described herein is a mechanical device that appearing uncrowded with lines, numbers, and other markings, depicts the sun's daily path and gives sunlight information, for any interested latitude, date, and time. A major dial is rotated on a ... | 02/16/1993 |
| 5092775 | Prism prompter A freestanding visual aid is disclosed which includes instructional material displayed on multiple sufaces of a geometric object to allow the selective display of indicia representing information, on at least one of the surfaces, in a resting position of ... | 03/03/1992 |
| 4964043 | System for visualizing, identifying and ordering gearing configurations The present invention enables visualizing, identifying and ordering speed reduction gearing configurations, particularly enclosed worm gear configurations, by a system comprising a mechanical display and a digital computer, which cooperate in a novel mann... | 10/16/1990 |
| 4914755 | Letter and figure cap A cap or hat having various arrangements in which alphabetical letters, numerals and other symbols are concealed or revealed in relation to the article of headwear to provide a cap or hat that is unique in construction and can be adapted to various arrang... | 04/10/1990 |
| 4854880 | Wardrobe color coordination kit A wardrobe color coordination kit for enabling men and women to rapidly select color coordinated outfits utilizes numbered tags which are secured to various major clothing items. Short cylindrical numbered tags are also provided for attachment to conventi... | 08/08/1989 |
| 4651992 | Puzzle-type game A puzzle-type game comprises at least five manipulatable members, for example of square or circular cross-section, each formed at one end with fingers, and at the opposite end with a circular recess, such that a plurality of the members may be assembled b... | 03/24/1987 |
| 4377286 | Multicolored globe adapted to make combinations between colors on multitudinous directions This invention relates to a globe divided by a plurality of symmetrical meridional lines and by an equatorial line and/or by tropical lines in a plurality of spherical triangles and spherical quadrilaterals which are grouped on different colors or which a... | 03/22/1983 |
| 4146978 | Amusement device for spelling education An amusement device for children and the like useful for spelling education includes a toy with a support structure comprising an elongated horizontal shaft extending between opposite end portions which are adapted to rest on a supporting surface and whic... | 04/03/1979 |
| 4134326 | Device for computing musical relationships A device which is used for computing the transposition of musical chords and comprises a number of dials each of which is rotatable about a central axis. Each dial has a display of indicia thereon which indicate the steps of a chromatic musical scale. The... | 01/16/1979 |
