Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7346973 | Processing cell of automatic machining system and automatic honing system A processing cell of automatic machining system configured in that it is easy to decide or change the number of steps and to design, and to reduce the installation cost. The control unit of the processing cell comprises an operation data storing means for storing ev... | 03/25/2008 |
| 7226250 | Tool and method for forming a lug hole A single tool that provides multiple machining operations for forming a lug hole through a vehicle wheel hub includes an end portion having a first diameter and a mid-portion having a second diameter that is greater than the first diameter. A spade drill bit is moun... | 06/05/2007 |
| 7216003 | Hi-accuracy three-dimensional topographic modeling apparatus A cutting apparatus includes a hi-accuracy three-dimensional cutting apparatus for topographic modeling that is electronically coupled with a computer. The computer has a central processor that executes instructions, a memory for storing instructions to be executed,... | 05/08/2007 |
| 7210211 | Three ply bolted temporary road mats and apparatus for manufacturing same An apparatus for making temporary road mats characterized by multiple layers of mutually perpendicular elongated timbers having an array of vertical intersections aligned in lateral rows. The apparatus includes a gang drill that moves relative to a roughly assembled... | 05/01/2007 |
| 7131181 | Tool for manufacturing ballpoint pens A tool and method of manufacturing a tool for making ballpoint pen tips, called rough tips, in their seat zone and preferably in their cone zone. The tool is mounted in fast-rotating precision spindles and the position of the tool may be adjusted to adjust the dimen... | 11/07/2006 |
| 6745452 | Apparatus for assembling temporary road mats An apparatus for making temporary road mats characterized by multiple layers of mutually perpendicular elongated timbers having an array of vertical intersections aligned in lateral rows. The apparatus includes a pair of assembly tables spaced along an assembly line... | 06/08/2004 |
| 5494088 | Low profile tool assembly An assembly mountable on a toolhead assembly of a machine tool for performing a work function on a shallow wall of a workpiece positioned on a worktable of the machine generally consisting of a body mountable on the toolhead assembly, having a bottom surf... | 02/27/1996 |
| 5400492 | Pipe treating method and apparatus A device and method for removing a branch fitting from a tapped hole in a main water distribution pipeline under pressure includes a water-tight housing adapted to fit on to the pipeline over the fitting. A cutter is provided within the housing to sever t... | 03/28/1995 |
| 5025539 | Drilling and milling machine A drilling and milling machine comprises a travelling pillar (20) having a tool spindle (25) which is movable along its own spindle axis (Z) and along the two further axes (X, Y) of a three-dimensional coordinate system (X, Y, Z), and a workpiece carrier ... | 06/25/1991 |
| 5000628 | One step square hole drill bit A new square hole cutter is designed so as to be as compact as possible with minimal clearance space between each individual component. The rotating cutting gears are one piece items that attach to a central hub. The drive shaft and central drive gear are... | 03/19/1991 |
| 4908928 | Slug riveting method and apparatus A method and apparatus for riveting two workpieces (10, 12) together by simultaneously upsetting both ends of a slug rivet (R) while maintaining the outer surface (16) of one of the workpieces (10) in a substantially constant fixed work plane (20) during ... | 03/20/1990 |
| 4810916 | Rotary power tool having dual outputs A rotary power tool comprises a body for supplying a power drive and includes a central body portion having two extensions in opposite directions therefrom. The power tool may utilize a screwdriver bit at one extension and a drill at the other extension. ... | 03/07/1989 |
| 4623287 | Drilling machine especially for drilling glass Drill apparatus, especially for drilling glass, with hydraulic and/or mechanically advancing, driven drill spindle, wherein the drill spindle is secured in a spindle carrier and is equipped at the end which is facing towards the workpiece with a drill, as... | 11/18/1986 |
| 4410024 | Apparatus and method of assembling barge fenders A method of and apparatus for assembling barge fenders which includes chain conveyors for conveying the workpiece through a series of work stations. Spaced pairs of saws are positioned to make angled cuts. Downstream of the saws drilling mechanism provide... | 10/18/1983 |
| 4345860 | Boring machine and method of rigidizing a boring bar In a boring machine having an elongated rotating boring bar for internal end boring of elongated workpieces, the boring bar is rigidized during initial internal boring operations by clamping the workpiece in axial alignment with the axially rotating elong... | 08/24/1982 |
| 4289430 | Method and apparatus for simultaneously boring and turning upset pipe end The inside diameter and outside diameter of an upset pipe end are simultaneously bored and turned respectively by a combination tool. Boring and cutting elements on the tool are simultaneously disengaged from the pipe end in a controlled manner to taper o... | 09/15/1981 |
| 4163622 | Drilling machine A drilling machine comprising an article holding device and two drilling devices, being characterized that each drilling device has one drill turning in the same direction at a synchronized speed, each drill approaching to or separating from each other sy... | 08/07/1979 |
| 4154555 | Multiple boring head A machine tool having a boring bar carrying cutting tools and mounted for rotative adjustment on a rotary driven spindle with its axis offset from the axis of the spindle. An additional cutting tool is mounted for radial adjustment on the spindle individu... | 05/15/1979 |
| 4123190 | Apparatus for preparing corrugated sheets automatically Apparatus for preparing corrugated sheets is described which comprises a table for supporting one or more sheets, an assembly of cutting and perforating tools for cutting corners off the sheets and making holes in them, and means for moving the table and ... | 10/31/1978 |
| 4119388 | Machine tool A horizontal boring mill for machining work at a high rate. The boring mill includes a massive boring bar which carries intermediate its end the boring-tool holder from which boring tools extend radially. The boring bar is rotated by a first drive of suff... | 10/10/1978 |
| 3998254 | Safe power machine A compact, multi-purpose power machine which can be safely used by children, including a housing with deep, narrow slots that prevent the insertion of a human finger therein, and cutting tools located within the slots so a child cannot touch them.... | 12/21/1976 |
| 3977127 | Multi-purpose hobby finishing apparatus The present invention generally concerns hobby finishing tools. More specifically, the present invention is directed to a multi-purpose hobby finishing apparatus for cutting, drilling, grinding and finishing hobby materials, such as especially glass, and ... | 08/31/1976 |
