Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7895760 | Universal design sheet material holder assembly A sheet material holder assembly comprising a top body having a top surface, a handle projecting generally upward from the top surface, and a first magnetic piece affixed to the top body opposite the top surface and a base having a second magnetic piece, at least a ... | 03/01/2011 |
| 7779547 | Apparatus and method for setting furniture height An apparatus for determining a desired height of a height adjustable furniture item, characterized in that it includes: a scale adapted to measure a length of the lower leg of a patient, means to determine a desired height of said item of furniture from said length ... | 08/24/2010 |
| 7774948 | Universal design straightedge A universal design straightedge comprising a body having a top surface and a perimeter bounded by at least one edge, the top surface comprising evenly spaced apart linear rulings perpendicularly disposed to and extending from the edge, some of the linear rulings cor... | 08/17/2010 |
| 7770301 | Portable measuring systems A portable system for documenting the height of one or more children during their growth. The system comprises an elongated frame that can be disassembled into segments for travel. ... | 08/10/2010 |
| 7631437 | Electronic ruler An electronic ruler has a generally rectangular-solid shape defining a length, width, and thickness. A straight edge exists along the length as do distance markings in at least one unit of measurement. A user input interface 1) receives user inputs of measurement in... | 12/15/2009 |
| 7513058 | Construction rule tape and layout tool A construction rule tape and a construction layout tool include a non-metallic material that conforms to a construction surface. The non-metallic material includes graduations that correspond to a combined thickness of at least one of a gap and an adhesive material ... | 04/07/2009 |
| 7415772 | Rainbow ruler A set of rulers for teaching the concept of measurements includes a first ruler having a first group of incremental division lines corresponding to a first group of measured lengths, each line of the first group having a first length and a first color. A second rule... | 08/26/2008 |
| 7373731 | Construction templates and methods of use Construction templates, as well as methods of use that employ construction templates, are described. Embodiments of the present invention comprise construction specifications printed on substantially dimensionally stable material. Functions of the construction templ... | 05/20/2008 |
| 7365306 | Standard member for length measurement, method for producing the same, and electron beam length measuring device using the same This invention provides an electron beam length measuring technology including a standard component for length measurement that has a finer standard dimension, and its producing method. The standard component for length measurement has a semiconductor member on whic... | 04/29/2008 |
| 7343694 | Measuring device A measuring device, such as a ruler, tape measure, etc. includes a first edge having a first set of indicia corresponding to a first linear scale, and a second edge having a second set of indicia corresponding to a second linear scale. The first linear scale may be ... | 03/18/2008 |
| 7322266 | Table saw having a scale device A table saw includes a stationary table, a movable table linearly movable relative to the stationary table, a rip fence movable relative to the stationary table and the movable table, and a scale device mounted between the stationary table and the movable table and ... | 01/29/2008 |
| 7275416 | Volumetric densiometer flask A volumetric densiometer flask for determining the volumetric density of a solute includes: (a) a first bulbous portion in a lower end section of the flask; (b) a second bulbous portion in an upper end section of t... | 10/02/2007 |
| 7254894 | Method of cutting and installation of building boards A building board such as a gypsum board is provided for use in construction of commercial and residential building the board having opposed parallel surfaces, one having spaced apart transverse markings and the other having spaced apart longitudinal markings. Each m... | 08/14/2007 |
| 7251898 | Transparent measuring device with enhanced visibility lines A transparent measuring device with enhanced visibility lines formed on a transparent substrate having opposing planar front and back surfaces and with at least one opaque line formed on one of the front and back surfaces and at least one transparent line formed on ... | 08/07/2007 |
| 7231720 | Inside/outside scribe The invention is an improved, hand-held, adjustable, graduated marking gauge and scribe for carpentry and related activities. It is used to mark work-pieces at a given distance from an adjacent edge or intersecting surface such as is encountered when fitting cabinet... | 06/19/2007 |
| 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 |
| 7228634 | Using viewing-angle-sensitive visual tags to determine angular orientation and/or location One embodiment of the present invention provides a system that uses a visual tag to determine an angle. During operation, the system observes the visual tag from an observation point, wherein the visual tag includes an angle-sensitive image which changes in appearan... | 06/12/2007 |
| 7228638 | Measuring device In one embodiment, a measuring device includes a reference surface, a trough extending lengthwise away from the reference surface at substantially a right angle, and a scale affixed to the trough indicating a distance from the reference surface along the trough.... | 06/12/2007 |
| 7222435 | Self measuring workpiece An elongated construction workpiece having a viewable surface and adapted to be cut to a measured length or width at a work site, wherein the workpiece is provided on a viewable surface adjacent one or more of its edges with linear measure markings whereby a desired... | 05/29/2007 |
| 7220329 | Method for applying reference markings to wallboard during manufacture An apparatus and method for applying reference or grid markings to wallboard during the manufacturing process is disclosed. Reference or grid markings are applied to one sheet of cover paper at a location between the originating cover paper rolls and the cover paper... | 05/22/2007 |
| 7216438 | One piece centering ruler A centering ruler includes a first straight edge, a second straight edge, an angle θ therebetween, and a measuring scale, marked on both sides of the ruler, which divides the first straight edge into equal increments. To find the center of a straight side of a work... | 05/15/2007 |
| 7209596 | Method of precision calibration of a microscope and the like A method of precision calibration of a microscope magnification with calculating a magnification scale as a quotient obtained when an image size of a test object viewed or collected with the microscope is divided by a true test object size, the methods comprising th... | 04/24/2007 |
| 7181887 | Framing lumber products and methods Lumber having stud locator markings spaced along lengths thereof. The marked lumber assists in layout and assembly of a frame wall comprising bottom plate, top plate, and a plurality of studs extending between the bottom and top plates at one or more of a limited nu... | 02/27/2007 |
| 7181861 | Portable linear measuring device A device to measure the height of a person consists of an elongated base that extends from above the head of the person being measured to the flat surface on which the person stands and a sliding member. The base has two longitudinal channels, one containing a T-tra... | 02/27/2007 |
| 7178249 | Measuring tool and method of making A tool for measuring, marking, and cutting material, the tool formed of a rigid sheet of transparent material having a transparent flexible sheet of pressure-sensitive material removably adhered thereon to cover one side of the rigid sheet and provide a removable, n... | 02/20/2007 |
| 7165623 | Farrier's measuring tool and method for using A farrier's tool and a method of using the tool for preparing the hoof of a horse to receive a shoe. The tool is a symmetrical measuring device used for determining the position of the breakover point on a horse's hoof. After the position of the break-over point is ... | 01/23/2007 |
| 7152336 | Tool for measuring compliance with building construction codes A tool for measuring compliance with building construction codes comprises at least one indentation having a diameter that is representative of a maximum or minimum diameter of a handrail or grab bar, as permitted by code standards. The indentation is positioned adj... | 12/26/2006 |
| 7147196 | Devices and method for hanging a display board Devices for hanging a display board frame wherein a first bracket is mounted on a wall and has a hook on one end supportingly engaging a channel on a corresponding first edge of a display board frame and a second cooperating bracket having a slotted portion is slidi... | 12/12/2006 |
| 7143540 | Fish handling system for big game tube fishing A Fish Handling System For Big Game Tube Fishing is a single unit comprised of both a landing net and raised tabletop/inch incremented measuring board supported by a platform mounted atop two pontoons. Landing net access is obtained by lifting the hinged table/measu... | 12/05/2006 |
| 7103983 | Multiple component and interactive growth chart and method A multiple component, interactive growth chart assembled from a plurality of growth chart components. The individual components are preferably building block type, and have means for coupling one component on top of another. The components have a disclosed height, s... | 09/12/2006 |
| 7100295 | Measuring device A measuring device includes a square ruler body provided with a plurality of scales, a plurality of marking lines, and a plurality of counting numbers. Each of the counting numbers has a corresponding numeral which is located under the respective the counting number... | 09/05/2006 |
| 7086172 | Grid for guided operations The invention relates to a grid (10) adapted to be arranged on a patient's skin to provide positioning information in CT-guided percutaneous operations. In one embodiment, the grid (10) comprises a flat and generally rectangular frame having two long s... | 08/08/2006 |
| 7076881 | Device for measuring and teaching scales of units A teaching device for teaching students different scales of measure and aiding in the taking of accurate measurements by users of the device includes a first face that is marked with standard units of measure such as feet, inches, and fractions of inches. Each scale... | 07/18/2006 |
| 7073240 | Duct joint layout tool A layout tool and a means for using the tool to fabricate multi-segment elbows and offset joints from rectangular cross-section fibrous air ductboard material. The tool has a triangular main body having at least one structural feature that defines a plane. At least ... | 07/11/2006 |
| 7073268 | Level apparatus A level includes a laser source for establishing one or more visually identifiable measurement and reading in a work environment or in combination with the use of a power tool. A power tool control system includes a non-contact measurement and alignment device opera... | 07/11/2006 |
| 7065895 | Illuminated tape measure An illuminated tape measure comprises a housing with an illuminable tape positioned in the housing. The illuminable tape is marked with a plurality of regularly spaced markings that form a linear measuring scale so the tape may be used as a measuring tape. The illum... | 06/27/2006 |
| 7059061 | Framer's layout and cutting guide The Framer's Layout and Cutting Guide was designed to simplify the house framing process by creating easily recognizable icons, representing pre-measured for accuracy basic framing functions, for both layout and cutting, which, when superimposed on/integrated—with... | 06/13/2006 |
| 7059060 | Device for recording events and measuring growth in an individual's life A device for recording both chronological events and physical growth events of an individual or group of individuals' lives. The device includes linear measuring device having at least first and second opposed sides. The first side has a linear measurement scale ins... | 06/13/2006 |
| 7045197 | Self-measuring roll goods Self measuring roll goods includes a pliable substrate, a front surface, and a rear surface. The rear surface includes fiducial markings to facilitate the quick and easy measurement of the roll goods. The fiducial markings include an array of symbols, and at least a... | 05/16/2006 |
| 7043850 | Transparent measuring device with seam allowance guide A transparent measuring device having a planar structure, a plurality of markings, at least one window, and a seam allowance guide. The planar structure has an upper surface and a lower surface, and the markings are formed on the lower surface of the planar structur... | 05/16/2006 |
