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 |
| 7328520 | Gage for measuring diameters A gage for measuring a diameter of a workpiece has a pair of parallel spaced apart side rails. A pair of block sets is mounted between the side rails and spaced apart from each other. A pair of arms extends transverse to the rails through mating profiles in the bloc... | 02/12/2008 |
| 7287338 | Gauge for measuring gun dimensions A firearm measuring device for measuring all external dimensions of a firearm is comprised of an elongated rectangular caliper body member having measurement indicia inscribed thereon. A pair of jaws affixed on the caliper body member, one jaw affixed to a carriage ... | 10/30/2007 |
| 7216526 | Method and apparatus for measuring vane wear in a sliding vane rotary pump The amount of wear on the vanes of a sliding vane rotary pump is determined by inserting a wear inspection dip stick into a wear inspection port providing in a housing of the sliding vane rotary pump. The wear dipstick includes one or more mark providing an indicati... | 05/15/2007 |
| 7216440 | Apparatus and method for garment quality control Apparatus and methods for determining a dimension of a portion of a garment are disclosed that preferably comprise a first member having a first gage end and a slide end, and a second member co-operatively engaged with the first member. The second member has a secon... | 05/15/2007 |
| 7144251 | Dental-facial measuring instrument A dental-facial measuring instrument provides a possibility to determine an occlusion to make a denture. An improved dental-facial measuring instrument includes the first and second strips coupled by the connector and spring with a slidable strip comprising a horizo... | 12/05/2006 |
| 7128572 | Method and apparatus for selecting denture teeth A kit which may be used for anterior tooth selection, the kit including a facial meter for measuring the width of a nose and/or the distance between the eyes, and for correlating the measurement to a tooth size, and an anterior tooth selection guide consisting of a ... | 10/31/2006 |
| 7070375 | Clamping fastener grip length indicator A temporary fastener includes a grip length indicator. By machining a flattened area into a body of the temporary fastener, by engraving an scale into the flattened area, and by attaching an indicator dot visible in the groove to a moving part of an internal assembl... | 07/04/2006 |
| 6988324 | Adjustable measuring and pointing tool The present invention is related to an adjustable measuring and pointing tool to be used for construction material measurements in building and metallic carpentry, comprising a bar (1) preferably, but not exclusively, made of aluminium alloy, on which a gradu... | 01/24/2006 |
| 6546634 | Compass cutter A compass cutter has a main body fastened with an extension rod which is connected with a slidable seat slidable along the extension rod. The main body is further provided with a locating block, a protective cover, a blade, a fixation block, and an insert... | 04/15/2003 |
| 6105269 | Osteologic measuring device A osteological instrument having an unique dual rod and bearing linear motion mechanisms incorporating multiple measuring features and functions providing stable, rigid and generally fluidity of movement of horizontal and vertical caliper arms thereon.... | 08/22/2000 |
| 6073360 | Instrument mount with spring-loaded clamp A mount for mounting a measuring instrument, such as an electronic measuring transducer. The mount includes a spring operated clamp assembly for attaching the mount to a first part with a reference surface engaging a desired location on the first part. In... | 06/13/2000 |
| 6044573 | Measuring device A measuring device including a gage having a dial, a pointer associated with the dial, and an actuator stem operatively coupled to the pointer; and a coupling mechanism having a connector portion detachably secured to the actuator stem; and a receiver por... | 04/04/2000 |
| 5685084 | Dental measuring apparatus A dental apparatus for accurately measuring dentures comprises a C-shaped body, a horizontal ruler and a vertical ruler. The rulers are graduated and movable to determine the distance of the teeth from the center of the ridge and the intermaxillary distan... | 11/11/1997 |
| 5361507 | Infant measuring device with progress charting capability An infant measuring and growth charting device having a substantially flat bottom base of a length and width to accommodate infants to be measured, a fixed head board, and a slideable locking foot board, the infant being place in the device, the foot boar... | 11/08/1994 |
| 5239763 | Adjustable linear gauge An adjustable linear gauge including a linear track having uniformly spaced indentations along a surface thereof, and an adjustable member moveable along the track which includes a body portion carrying a stop member adapted to engage an end of a work pie... | 08/31/1993 |
| 5105554 | Instrument for measuring an object's dimensions An instrument for measuring the dimensions of a rigid object (10) comprises a fixed member (1), a mobile member (2) slidably mounted on the fixed member, means for indicating the resulting measurement, and a locking device (3) allowing the mobile member (... | 04/21/1992 |
| 5048197 | Apparatus and method for measuring pitch diameter An apparatus and method empolying a notched precision caliper in conjunction with a transfer tool such as a conventional dial gauge caliper having ball-point type contact surfaces to provide a direct quantitative indication of a threaded member's pitch di... | 09/17/1991 |
| 4843720 | Dental measuring instrument A dual purpose instrument having parts to measure the width of the nose and parts to measure the vertical distance from the underside of the chin to the underside of the nose, for use in making dentures.... | 07/04/1989 |
| 4092781 | Chain elongation gauge An apparatus for measuring the elongation of chains due to joint wear. The chain under test is tensioned between two arms associated with two nested tubular elements housing a compressed coil spring. A cylindrical indicator having a helicoidal scale cooperate ... | 06/06/1978 |
