Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7341407 | Rasp blade with cutting teeth laterally displaced from a planar body A tire rasp blade made with an arcuate shape having a planar body with cutting teeth at the outer working edge. The cutting teeth extend laterally relative to the planar body in alternating sets of curved sections. The curved sections preferably form a sinusoidal cu... | 03/11/2008 |
| 7322985 | Surgical saw for cutting off cheek bones The surgical saw according to the present invention comprises an arm fixed by mounting the rear end portion thereof in a jaw of a handle; and a double saw blade part connected with the front end portion of the arm and having two saw blades arranged side by side in a... | 01/29/2008 |
| 6678909 | Combination rasp and lift device A multifunctional device for removing material from an edge of an object and lifting an object from a support surface is provided. The device includes front and rear portions that are positioned at an angle relative to one another to form a pivot point. T... | 01/20/2004 |
| 6494647 | Curved file apparatus Curved file apparatus includes a base element having a straight file on a top surface and a curved element secured to the base element. The curved element includes a convex bottom file surface and a pair of flat file surfaces on the sides of the curved el... | 12/17/2002 |
| 6142715 | File adapter for power saw tool A motor driven power hand tool and adapter reciprocating a modified hand file in pressured engagement with a work piece by manipulating a lever resistance intermediate the opposite ends of a file which becomes a second class lever operating with a fulcrum... | 11/07/2000 |
| 5919007 | Combined file and rasp for laminate materials A combination rasp and file for laminate materials of the type including a top plastic layer includes a rasp side having a multiplicity of rasp teeth formed for removing plastic and wood effectively but without leaving an unacceptably rough finish. The ra... | 07/06/1999 |
| 5586842 | File grinder The present invention provides an improved abrading and cutting composite structure containing a plurality of blades and openings, as a multipurpose tool in construction and automotive fields.... | 12/24/1996 |
| 5533894 | Equine dental float An equine dental float includes a handle with a head at one end, the head including a trough like structure with a plurality of individual teeth mounted in the trough. A pin mounted through an aperture in each of the plurality of teeth aligns the teeth an... | 07/09/1996 |
| 5067216 | Adjustable line block for autobodies A line block is used for producing profiles on bodies, especially filled automobile bodies. The block is composed of a series of thin, stacked plates with fine cutting teeth along one edge of each plate. The plates are clamped together with bolts so that ... | 11/26/1991 |
| 5056203 | Abrading and cutting tool assembly An abrading and cutting tool assembly particularly adapted for use in auto body repair is disclosed. The assembly includes a tool body of a rectangular, disc, or cylindrical shape, and means on the tool body for connecting it to a drive assembly such as a... | 10/15/1991 |
| 4590651 | Sharpener for phillipshead screwdrivers The invention will sharpen worn phillipshead screwdrivers. The invention contains four files that fit into the grooves of a phillipshead screwdriver. The worn phillipshead screwdriver is sharpened when the worn phillipshead screwdriver is moved in-and-out... | 05/27/1986 |
| 4283819 | Segment-shaped blade A segment-shaped blade is provided for use in a rotatable cylindrical tool for machining elastic material, particularly pneumatic rubber tires for vehicles. The blade comprises teeth defined at the convex periphery by approximately V-shaped or circular or... | 08/18/1981 |
| 4265007 | Tool for rasping A tool for rasping comprising a cylindrical drum rotatable in both directions around an axis, the drum being equipped with cutting elements which protrude exteriorly and are able to act in the two directions of rotation. The cutting elements are mounted o... | 05/05/1981 |
| 4058876 | Support arrangements for rotary scrapers A rotary scraper comprises scraper rods, an annular support member formed with radial openings through which the scraper rods extend respectively, a position-maintaining member, and releasable clamping means for urging the position-maintaining member into... | 11/22/1977 |
| 4021899 | Tire buffing machine blades having heat dissipation means Replaceable blades have an inner generally planar portion which is mounted between imperforate spacers of a tire buffing machine hub and an outer working edge portion which protrude beyond said spacers. Said working edge portion has spaced teeth and means... | 05/10/1977 |
| 4012819 | Cylindrical abrading tool A cylindrical abrading tool, such as a tire rasp, has a hollow body formed from a stack of blades -- or a single helicoidally wound blade -- with toothed outer edges sandwiched between a pair of apertured end disks. The blade tiers and disks are interconn... | 03/22/1977 |
| 3950832 | Saw sharpening file An elongate multi-sided file in which the file defining serrated surfaces extend substantially the length thereof, with the surfaces intersecting to define a number of longitudinally extending edges. The longitudinal edges have a number of spaced teeth fo... | 04/20/1976 |
