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 |
| 7458192 | Chair for supporting wire mesh An improved chair for supporting intersecting wires forming a wire mesh at a pre-selected elevated position above a bearing surface during formation of a concrete slab is constructed having a base member shaped to rest on the bearing surface, a compressible support ... | 12/02/2008 |
| 7328538 | Rebar spacer A rebar spacer having a clip for securely holding a rebar centered in the clip such that the rebar cannot be dislodged from the clip once the clip engages the rebar. The clip is held at a desired height by a base, which will not easily tip over do to a wide stance o... | 02/12/2008 |
| 7322158 | Intersectional reinforcing bar support with C-shaped clamps A concrete reinforcing bar support has a base, a support structure extending upwardly from the base with a channel formed at an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel, and a second clamping struc... | 01/29/2008 |
| 7118318 | Wire protector and retainer An apparatus for protecting and retaining a wire includes a molded body forming a passage adapted to receive and retain the wire between the molded body and a mounting structure. The apparatus also includes at least three apertures through the molded body where at l... | 10/10/2006 |
| 6962029 | Chair for supporting wire mesh An improved chair for supporting intersecting wires forming a wire mesh at a pre-selected elevated position above a bearing surface during formation of a concrete slab is constructed having a base member shaped to rest on the bearing surface, a compressible support ... | 11/08/2005 |
| 6871462 | Composite action system and method The present invention provides a composite action system and a method for fabricating the same to meet OSHA safety requirements and allow for welding off the work site. An improved structural system achieves the desired composite behavior by providing one or more st... | 03/29/2005 |
| 6732484 | Chair support for metal reinforcements A chair supports rebar or wire mesh during a concrete pour. The chair is box shaped having grooves in the side walls of different width for supporting rebar of different diameter. Notches in the edge of the grooves on opposite sides of the chair support wire mesh of... | 05/11/2004 |
| 6684595 | Intersectional reinforcing bar support A concrete reinforcing bar support having a base, a support structure extending upwardly from the base and having a channel formed at an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel, and a s... | 02/03/2004 |
| 6684594 | Intersectional reinforcing bar support A concrete reinforcing bar support having a base, a support structure extending upwardly from the base and having a channel formed at an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel, and a s... | 02/03/2004 |
| 6557317 | Concrete reinforcing bar support A concrete reinforcing bar support including a base, a support structure extending upwardly from the base, a first clamping member affixed to the support structure and extending upwardly above a top surface of the support structure, a second clamping memb... | 05/06/2003 |
| 6543731 | Conduit bracket system A modular suspension system for supporting conduit between structural members, such as walls studs or ceiling joists, of a building. The system includes a transverse support bracket for securement between the building structural members and further includ... | 04/08/2003 |
| 5729949 | Slab on grade chair A chair for supporting and spacing reinforcement bars having a hollow-conical body for stackability, a planar base for support, an aperture allowing concrete to flow into and around the chair, and notches in the upper surface of the chair to retain the ba... | 03/24/1998 |
| 5194309 | Method and blank for producing a substantially U-shaped guide rail in a window frame groove A flat web-shaped blank is formed with a pair of parallel recesses, each of which defines an angle of less than 90° to permit the faces of the recess to press against each other when the side sections of the blank are pivoted into a U-shape. The pressing... | 03/16/1993 |
