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 |
| 7315098 | Linear oscillator and electrically driven toothbrush A linear oscillator and an electric toothbrush capable of emitting a low noise and of being assembled compact are provided. The linear oscillator, which reciprocates a shaft in an axial direction thereof, includes a plunger movable together with the shaft in the axi... | 01/01/2008 |
| 7039981 | Orbital eraser and scratch-off card remover An orbital remover including a body assembly and a tip drive assembly. The body assembly includes a main spring. The tip drive assembly includes a tip holder, a bearing guide having a convoluted race formed on an inner surface, a bearing spring, and at least two bal... | 05/09/2006 |
| 6565276 | Electrically driven hand-held device for eyelash mascara application This invention provides a mascara and a like cosmetics application onto the eyelashes. An improved electrically driven hand-held device for eyelash mascara application includes a mascara container coupled with the brush handle, including a power supply el... | 05/20/2003 |
| 6098230 | Toothbrush A manually operated toothbrush which will move up and down at the same time when moving to and fro, includes a head provided with bristles at a front end thereof and being cylindrical in shape at a rear end thereof, the rear end having a curved groove for... | 08/08/2000 |
| 5813075 | Toothbrush having bi-directional rotational head A hand rotating type toothbrush having provision for rotation in first and second rotational directions using separate manually actuated slides. The shaft supporting the head is formed integrally with an axially aligned torsion bar which returns the head ... | 09/29/1998 |
| 5311630 | Rotary eraser A rotary eraser has a simple structure, is extremely capable of erasing a letter or other printed material, and facilitates an adjustment of the position of the erase. The rotary eraser includes a cylindrical body, an eraser holder which holds a rod erase... | 05/17/1994 |
| 5115530 | Rotary toothbrush An axis rotary toothbrush is provided and consists of an elongated shaft having a distal portion rotatably positioned within a handle so that a proximal portion of the shaft will extend outwardly therefrom. A bristle head is formed about the free end of t... | 05/26/1992 |
| 4850071 | Cleaning tool with manual and power adaption A tool cleaner for selected manual or powered use comprising a stem assembly with a brush mounted on one end of the stem assembly and a handle mounted to the other end of the stem assembly. The stem assembly includes a stem portion with a hexagonal member... | 07/25/1989 |
| 4817226 | Rotatively rubbing eraser An eraser includes: a guiding holder having a pair of helical grooves formed inside the holder, and a sleeve holding an eraser stick in the sleeve having a pair of protruding beads formed on the sleeve helically engaging the pair of helical grooves in the... | 04/04/1989 |
| 4783869 | Rotative toothbrush A toothbrush comprising a brushhead, a shaft having a plurality of net-shaped grooves, a ring having a plurality of projecting members for engaging with the grooves of the shaft, and a tubular gripping member for receiving the shaft with the ring and a ca... | 11/15/1988 |
| 4763372 | Oscillatable toothbrush A toothbrush is provided with a handle having a mechanism for oscillating the bristles of the brush sideways. The mechanism comprises an elastic band stretch between the handle and the shaft of the toothbrush to retain their relative rotational orientatio... | 08/16/1988 |
| 3947910 | Automatic hair brush A brush having a handle, and a head with a rotatable axle bearing radially extending bristles. Pulling of the brush by its handle in one direction along a hank of hair causes energy to be stored which is then released, causing the brush head to reverse di... | 04/06/1976 |
