...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7895765 | Brow tool A brow tool comprises a first extending arm. The first extending arm has a first gear at a base portion. A first straight edge is defined on an inside portion of the first extending arm. The first straight edge is offset in a latitudinal direction in the amount of o... | 03/01/2011 |
| 7325327 | Method and apparatus for measuring angular or linear displacement An apparatus and method are disclosed for measuring the angular or linear displacement of an object. That displacement is transmitted to a movable conductive member, which, in response thereto, is moved to a position at which it electrically contacts one of a plural... | 02/05/2008 |
| 7266902 | Method and device for fastening a sensor A method and device for securing a sensor, a stereo camera in motor vehicles in particular, in which accurate alignment of the sensor holding element is achieved during assembly using an adjusting gauge having the dimensions of the sensor and optionally pins which a... | 09/11/2007 |
| 7197837 | Gauge assembly for measuring diameter and total indicated runout The invention is directed to a gauge assembly that is used to measure parameters of camshaft journals or other objects with cylindrical surfaces. The gauge assembly includes two gauges, the first is an air snap gauge and the second a linear variable differential tra... | 04/03/2007 |
| 7155958 | Hole diameter measurement Methods of measuring the amount of wear at a hole. In a first embodiment, the method includes measuring a first diameter of the hole at a portion of the hole wall that is subject to wear and measuring a second diameter of the hole at a portion of the wall not subjec... | 01/02/2007 |
| 7045088 | Measuring tool, encoder and producing method of encoder Components of a measuring tool such as a main beam (11) and a slider (12) of a caliper gauge (1) are formed by a synthetic resin containing carbon nanofiber and an electro-conductive electrode (15) is formed on the surface of the main bea... | 05/16/2006 |
| 7007396 | Replacement heart valve sizing device A heart valve sizing system featuring a lumen advanceable in vasculature, an inside caliper device at the distal end of the lumen, and a readout for reading the dimension gauged by the inside caliper device. In the preferred embodiment, the inside caliper device inc... | 03/07/2006 |
| 6877242 | Illuminated caliper instrument An illuminated caliper device includes a caliper assembly having first and second caliper legs each having a pointed tip and a pivot end. A pivot support and first and second pivot elements pivotally connects the pivot ends of the first and second caliper legs to th... | 04/12/2005 |
| 6854195 | Adjustable probe Touch-triggered probe comprising a fixed part, designed to be fastened onto a measuring machine or a machine tool, and a mobile contact feeler that can be oriented on two independent axes along a multiplicity of spatial directions. The two axes of the probe comprise... | 02/15/2005 |
| 6782632 | Writing instrument-caliper system and method Described is a writing instrument-caliper system composed of a fully functional writing instrument and a separate caliper device. The writing instrument and caliper device are of such construction that the caliper device can be inserted snugly into the open-ended ho... | 08/31/2004 |
| 6497051 | Digital measuring device A measurement device having a pair of legs. Each leg has a measurement point and a fulcrum end, the fulcrum ends providing a pivot point for the legs so that the measurement points arcuately move apart from one another. The measurement device has a transd... | 12/24/2002 |
| 6381864 | Gauge especially adapted for measuring the frame height of race cars and method of using the same An improved frame height gauge for race cars includes a substantially hollow housing having an open top end. A spring urges a stop member pivotally mounted within the housing to an extended position in which the stop member projects through the top openin... | 05/07/2002 |
| 6301799 | Electronic fat gauge An electronic fat gauge includes a main body and a clamping lever pivotally mounted on the main body. The clamping lever includes a shorter depressing arm and a longer measuring arm extended from a middle pivot portion of the clamping lever in opposite di... | 10/16/2001 |
| 5875561 | Digital compass A digital compass has a digital screen that shows the distance between compass legs, one half the angle between the compass legs, and a ratio between half of an inductive rod raising value to a length of the compass leg from a compass leg mounting point t... | 03/02/1999 |
| 5592747 | Portable precision indicator gage A portable precision indicator gage for measuring the distance between two contact points. The portable gage is adapted to receive an indicator device for indicating a dimension of an object corresponding to a distance between two contact points having a ... | 01/14/1997 |
| 5515616 | Seal splitter gage A gage for splitting annular seals by establishing two points on a seal's outer edge for cutting lines, and planes through which the cuts should extend. The gage includes two pivotally connected arms equipped with collar assemblies. The collar assemblies ... | 05/14/1996 |
| 5475931 | Multifunctional drawing implement box A drawing implement box includes a first ruler section, a second ruler section which has a scale of angles thereon, and a positioning member for securing the first and second ruler sections together yet allowing relative rotational movements therebetween ... | 12/19/1995 |
| 5473940 | Caliper for use with wheel balancers A caliper is provided to be used with an electronic wheel balancer to measure both the diameter and width of a wheel assembly. The caliper includes a pair of pivotally connected arms which are movable between a spread apart position in which the caliper c... | 12/12/1995 |
| 5428903 | Measuring instrument An instrument can simultaneous measure a diameter of and a lateral distance along a workpiece. The instrument employs a first member having a longitudinal axis. The instrument also has a pincer device mounted on the first member to reciprocate along the l... | 07/04/1995 |
| 5398577 | Method and apparatus for tree felling A method and apparatus for aiming a tree to be felled including a tool for precisely marking a face notch to be cut into a tree trunk, said tool comprising a main body, an aiming rod on the main body, and two pivoting tree-engaging marking arms mounted pi... | 03/21/1995 |
| 5327907 | Biomechanical measurement tool A skeletal measurement device is disclosed in which concave arcuate calipers extend from a central housing containing a gear actuated dial scale. Upon expansion of the ends of the concave calipers away from one another in reaching and measuring skeletal p... | 07/12/1994 |
| 5319860 | Measuring instrument An instrument for the simultaneous measurement of a diameter of and a lateral distance along a work piece comprises a first member having a longitudinal track therein; a second member secured to one end of the first member having a reference surface for t... | 06/14/1994 |
| 5249366 | Dimension measuring instrument A dimension measuring instrument has a main scale 2 and a slider 3 in a state to move relatively, each of the main scale 2 and the slider 3 having a jaw 4, 5. These jaws 4, 5 are provided with finger lay portions 7, 9 thereon, respectively. In a measureme... | 10/05/1993 |
| 5224274 | Contact gage A contact gage having a pair of elongated, pivotal gaging levers mounted in laterally spaced, side-by-side association and having lateral gaging contacts at the forward ends thereof. A V-shaped motion translation reed is mounted on and symmetrically betwe... | 07/06/1993 |
| 5210955 | Cylinder bore measuring apparatus A unique measuring apparatus designed especially for measuring the interior diameter of cylinder bores. The apparatus includes a divider-like measuring tool that provides both a coarse measurement scale and a dial indicator to enable highly accurate measu... | 05/18/1993 |
| 5203091 | Caliper apparatus A caliper arrangement includes a first leg member pivotally mounted to a second leg member. The first leg member includes a C-shaped first leg in confronting relationship in a coplanar orientation relative to a C-shaped second leg. The pivot axle pivotall... | 04/20/1993 |
| 5154003 | Pivoted-arm caliper A caliper has a pair of arms which are connected for rotation about a pivot point. Each arm has a tip and a contact surface is connected to one of the arms. The caliper includes a mechanical or electronic indicator which is responsive to the relative posi... | 10/13/1992 |
| 4972602 | Tongs for handling and measuring crabs A pair of pivotally connected crossed arms define tongs having handles at one end and recessed jaw parts at the other. The recesses in the jaw parts are of a size to receive therein the pointed end tips of a crab shell whereby a crab may be easily lifted ... | 11/27/1990 |
| 4947558 | Hand held measuring device A hand held measuring device for measuring the size of small objects such as nuts, bolts, and the like. The device includes both an English measuring scale and a Metric measuring scale and may be used to gauge the size of either a Metric or an English sta... | 08/14/1990 |
| 4912855 | Instrument and case A drafting or measuring instrument, such as a caliper, divider or compass, has legs pivotally connected at one end and carries working elements at the opposite ends which may be moved between closed and opened positions. A thin case for releasably holding... | 04/03/1990 |
| 4908955 | Direct reading gauge for the measurement of fasteners and fittings A tool adapted to be manipulated single-handed for providing a direct reading of the size of small objects, particularly nuts and bolt heads. The tool includes a pair of tongs which are activated by a thumb slide. The latter is disposed in a slot formed i... | 03/20/1990 |
| 4905830 | Packing case also usable for clothes-hanging and drawing purposes A packing case includes a case body consisting of an upper housing and a lower housing between which a chamber is formed. An end of the upper housing is connected pivotally to an end of the lower housing by a pivot coupler. The pivot coupler clamps the en... | 03/06/1990 |
| 4815881 | Multi-purpose combination writing instrument A multi-purpose combination writing instrument which has an elongated core member with a hexagon cross section received in a correspondingly shaped pen tube consisting of a right and left members which can be converted into a compass after removing the co... | 03/28/1989 |
| 4734992 | Drawing instrument A drawing instrument incorporates two substantially planar members each formed with a straight guide edge and a mechanism connecting the members to permit them to rotate relatively to one another in parallel planes about an axis located in the vicinity of... | 04/05/1988 |
| 4720921 | Navigational instrument A navigational instrument for measuring bearings and distances on maps comprising a first leg and a second leg. Each leg is transparent in part for convenient use while reading a map. Each leg, additionally, is tapered toward a lower end, defining a tip a... | 01/26/1988 |
| 4635370 | Caliper A caliper for the direct reading of the size of nuts, boltheads and fittings. On each leg of the caliper is a linear scale, one scale being calibrated in metric units, and the other in English units. When the terminal tips of the caliper are brought into ... | 01/13/1987 |
| 4561184 | School utensil and toy robot A school utensil and toy is provided which includes a support member, two leg members rotatably connected to the support member and two foot members rotatably connected to the leg members. At least one of the foot members includes an ink pen which can be ... | 12/31/1985 |
| 4203224 | Insertion space checking jig for electronic components A jig for checking space for machine insertion of electronic components with parallel lead wires on a printed substrate, comprising: a pair of space detection levers 11,11' at the lower part, a pair of component-holding levers 10,10' at the upper part, the detectio... | 05/20/1980 |