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 |
| 7134160 | Cleaning device In a cleaning device 10, a dustpan portion 23 is supported to a frame 15 so as to freely oscillate independently from a scraping up body 16 in a vertical direction, and a dust receiving portion 23C of the dustpan portion 23 ... | 11/14/2006 |
| 7134161 | Mechanical broom A sweeper comprising a main wheel being capable of spinning in both a counterclockwise and a clockwise direction in response to the broom being moved backwards or forwards. The sweeper has a brush wheel driven by the main wheel and being capable of spinning in one d... | 11/14/2006 |
| 6918156 | Suction brush assembly having rotation roller for sweeping dust A suction brush assembly of a vacuum cleaner has a housing having a suction duct to provide a suction passage for dust, a rotation roller having a plurality of ribs formed at an outer circumference, a wheel disposed at the housing, and a power transmission unit to r... | 07/19/2005 |
| 6912753 | Manual floor sweeper A manual floor sweeper includes a housing and a brush roller mounted within the housing and rotatable in a sweeping direction. A first drive member is fixed to the brush roller. A second drive member is mounted rotatably with the housing and engagable with the first... | 07/05/2005 |
| 5970558 | Floor sweeper A sweeper comprising a housing, at least one drawer, and at least one brush rotatably mounted to the housing for sweeping debris into the drawer. The housing forms an opening for removably mounting the drawer for movement between an open and a closed posi... | 10/26/1999 |
| 5960514 | Wheel driven suction nozzle A wheel driven suction nozzle having an upper body attached to an under body. An opening is formed at a front of the upper body which provides access to a suction cavity. An agitator covered with a fluff material is removably rotatably mounted within the ... | 10/05/1999 |
| 3950809 | Combination sweeper and vacuum cleaner for swimming pools A combination pool sweeper and vacuum cleaner is provided with a plurality of ride wheels and a pair of endless rubber tracks for movably supporting a suction chamber defining housing adjacent the pool surface to be cleaned. The suction chamber housing is... | 04/20/1976 |
