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 |
| 7318783 | Adjustable weight broadhead adapter bolt and arrow A broadhead adapter is comprised of a collar and at least one broadhead blade. The collar is adapted to receive the stud of an adjustable weight broadhead adapter bolt through an opening. The collar is adapted to securely fit between an end of an arrow shaft and the... | 01/15/2008 |
| 7261506 | Washer and threaded fastener assembly incorporating same A washer for a threaded fastener assembly and a threaded fastener assembly incorporating such a washer. The washer includes a body having a central axis including two opposed sides an outer periphery and an inner periphery defining a central aperture extending betwe... | 08/28/2007 |
| 5779414 | Screw threaded fasteners A screw threaded fastener comprising a first member with an external screw thread and a second member with a corresponding internal screw thread. One of said first and second members has a radial bore, and the other of said first and second members has a ... | 07/14/1998 |
| 5460467 | Automatic positive locking nut and related device for locking and unlocking the nut on a shaft A locking nut for use with a shaft having a serrated thread employs a segmented, radially expandable locking element having serrations on its internal diameter. The locking element is disposed in a counterbore of the nut and is axially movable between a f... | 10/24/1995 |
| 5460418 | Shackle bolt safety retainer A safety retainer for preventing disengagement of a shackle bolt from a U-shaped shackle. The retainer includes a collar member and a pin member. The tubular collar member surrounds the head of the shackle bolt and is provided with a pair of holes through... | 10/24/1995 |
| 5308207 | Retaining ring and shaft for securing a component thereon An apparatus for mounting and retaining a component on a shaft including a tubular shaft having an aperture extending radially therein, and a retaining ring adapted to fit over the shaft, including a center post wherein the center post is positioned withi... | 05/03/1994 |
| 4759177 | Safety link A shackle safety keeper for keeping the threaded eye bolt of closing a U-shaped shackle from rotation of the eye bolt and ultimate disengagement of the shackle. The shackle safety keeper is a single wire continuously bent to form the disclosed keeper. Thi... | 07/26/1988 |
| 4645395 | Locking nut The invention concerns a nut provided with a locking element (4, 5, 6, 7), which by e.g. a screw (8, 9, 10, 11) can be urged radially against a screw thread. In order to provide a self-contained and easily releasable nut the locking element is arranged in... | 02/24/1987 |
| 4628663 | Clip punch device and packaging apparatus equipped therewith A clip punch device for banding encased meat products comprising a positive locking piston stop accurately controls the length of downstroke of the punch rod substantially reduces or eliminates overforming and underforming of closure clips and potential f... | 12/16/1986 |
| 4476673 | Shackle pin locking construction A resilient clip selectively engaging portions of a loop type shackle, and the removable locking pin therefor to prevent accidental disengagement through loosening of the pin. The clip may be engaged and disengaged without the use of tools, and may be tem... | 10/16/1984 |
| 4278120 | Safety bolt A safety bolt having a headed end, a shank, and a second end with means near the second end to hold the bolt in a hole in a workpiece. An axial passage opening into the second end intersects a laterally-extending passage spaced therefrom, and a dog fits i... | 07/14/1981 |
| 4221252 | Locking arrangement particularly for shackles A locking system for locking a nut on a threaded shaft comprises a transverse through aperture in the shaft alignable with through apertures in the nut, and a pin extending between the aligned through apertures to lock the nut against rotation relative to... | 09/09/1980 |
