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 |
| 7174935 | Automatic safety tire device An automotive device for increasing the traction on a supporting surface including a body mountable on a wheel hub and carrying a plurality of radially extending traction arms that are mounted for movement between retracted positions and extended positions in which ... | 02/13/2007 |
| 7096905 | Slip-preventing device for vehicle tire A slip-preventing device of a tire has a plurality of arm frames each of which is contacted with an inner sidewall, a tread and an outer sidewall of the tire. The arm frame has a link unit at a side of the outer sidewall of the tire. The arm frames are linked with e... | 08/29/2006 |
| 7044522 | Passive capture slip-proof chain handling hook A chain hook with no moving parts that is capable of passively capturing and supporting both sides of a given chain link. The hook is provided with dual support surfaces that support the link and prevent disengagement of the hook while under load. A horn between the... | 05/16/2006 |
| 6860305 | Truck track An anti-skid device especially adapted for trucks of the dual wheel type. In its preferred embodiment, the device is provided with a cleat(s) that protrudes two inches from the surface of the tire. The device is designed to be disposed across both wheels of dual-whe... | 03/01/2005 |
| 6357500 | Nonskid device, namely for pneumatic-tired wheels of vehicles on ice and snow surfaces For adapting a nonskid device for pneumatic-tired wheels of vehicles on ice and snow surfaces which is held at one end on the wheel of the vehicle and which shows a number of arm-type gripping element supports (50) placed on a supporting element (10), par... | 03/19/2002 |
| 6026877 | Paddle-type lug for use with convertional tire chains Lugs for detachably mounting on the chain of a conventional tire mounted wheel of a vehicle. The lug being detachably mounted to a portion of the chain which extends laterally over the tread of the tire mounted wheel of a vehicle. The lugs being means for... | 02/22/2000 |
| 5934055 | Lawn aeration accessory Invention relates to a lawn aeration device for attachment to the wheel of a riding mower, for example. The device, where a plurality are spaced about each driven wheel, comprises an arcuate-shaped metal plate, contoured to lie against the riding surface ... | 08/10/1999 |
| 5785783 | Device for quickly fitting snow chains to vehicle tires A tire chain assembly including two stays hinged at one end on a housing and supporting wall chains which hold tread chains in place on the tread of the tire when they are pulled tight as the stays are drawn together by a resilient linkage. Arms or resili... | 07/28/1998 |
| 5123469 | Tire traction chain A tire traction chain having a tread or contact section with spikes, and two side sections. The tread or contact section is comprised of plate-like contact section parts in which the spikes are secured. The contact section parts are linked with one anothe... | 06/23/1992 |
| 4997019 | Tire traction chain with traction plates A tire traction chain having a tread or contact section with spikes, and two side sections. The tread or contact section includes plate-like contact section parts in which the spikes are secured. The contact section parts are linked with one another.... | 03/05/1991 |
| 4922982 | Anti-skid device for wheels An anti-skid device for a vehicle wheel is provided comprising an axial part having a plurality of arms extending therefrom which are attached to an anti-skid assembly, such as a snow chain arrangement. The axial part includes a securing device which rota... | 05/08/1990 |
| 4854359 | Antiskid device, particularly for pneumatically tired vehicle wheels on snow and ice surfaces The antiskid device includes a fixing disk, which can be mounted on the wheel rim of a motor vehicle and can remain thereon during the winter months, and a supporting disk mountable on the fixing disk and lockable therewith by means of a retaining ring on... | 08/08/1989 |
| 4643251 | Traction devices for automotive wheels A wheel attachment to provide extra needed traction by a motor drawn vehicle when traveling on roadways covered with snow, ice or mud. It comprises a plurality of circularly spaced, flexible traction members overhanging the tread of a pair of wheels and c... | 02/17/1987 |
| 4515198 | Means for detachably connecting a chain link to a skidder ring Simplified means for connecting skidder rings to the tag chains that hold the skidder rings in spaced positions around a tractor wheel. Each skidder ring has four hooks spaced approximately 90° apart, two at each side, of novel construction. Each hook is... | 05/07/1985 |
| 4436129 | Composite semirigid snow chain, without rear hooking means, for motor vehicles A composite semirigid snow chain without rear hooking means, for motor vehicles, consisting of two parts to be independently applied onto a wheel and to be connected to one another at a sole side, that is at a sole side of the wheel, by means of an elasti... | 03/13/1984 |
| 4411301 | Tire traction chain A single tire chain adapted to be placed on an automobile tire and be anchored at its ends in front of and through an opening in the wheel.... | 10/25/1983 |
| 4408645 | Laminated wearing plate assembly for tire chain Tire protective or traction chain comprising a network of wearing plates 14 substantially perpendicular to the surface of a tire and connectors 12 substantially parallel to the surface of the tire interconnecting the wearing plates. Each wearing plate on ... | 10/11/1983 |
| 4388754 | Skid protection device for wheels The present invention relates to a skid protections device (3) for wheels preferably snow chains for vehicle wheels. In order to permit quick and simple assembly of snow chains on vehicle wheels the device according to the invention comprises a power aggr... | 06/21/1983 |
| 4357975 | Anti-skid chain An anti-skid tire chain comprising a pair of parallel side chains, a series of traction rings extending medially between the side chains, and a network of connector chains interconnecting the traction rings with the side chains and with one another is cha... | 11/09/1982 |
| 4334568 | Tire chain There is disclosed in the specification an improved tire chain including at least one pair of tire gripper portions adapted at one of their ends to exert pressure on the tire at the tread of the tire, and at the other end on their respective sidewall near... | 06/15/1982 |
| 4275781 | Cleated snow chain A cleated chain wrapping is disclosed for use on mounted automotive wheels. The wrapping utilizes a plurality of chain pairs attached to the wheel and extending transversely across the tread surface. Cleats connect one chain in each pair to an adjacent ch... | 06/30/1981 |
| 4274463 | Tire traction enhancing apparatus A traction enhancing apparatus for attachment to vehicular tires having both circumferential and cross chain members engaging the tread of the tire and further including one or two semi-rigid "U-shaped" bridle members for gripping the tire sidewalls durin... | 06/23/1981 |
| 4243088 | Skidder ring and chain connecting means Means for improving the traction of wheeled equipment used in the logging industry comprising an improved skidder ring with clevises to which the connecting tag chains are fastened by a pin preferably secured in place by a spot of welding material. When a... | 01/06/1981 |
| 4227562 | Road traction apparatus Vehicular road traction apparatus feeds a traction portion of an endless chain between a tire and the road surface and a recirculating portion of the chain is picked up aft of the tire and fed into a conduit which conducts it back to a point fore of the t... | 10/14/1980 |
| 4215733 | Tire protector device A tire protector device with a covering, especially formed by plates, which exhibits at its ends next to the outside of the tire connector parts for fastening a chain net which covers the side wall of the tire. The edge of said chain net remote from the c... | 08/05/1980 |
| 4176704 | Emergency traction device Provided is a novel emergency traction device adapted for use on all vehicles which use circular rubber tires or the like for movement. The traction device disclosed, by virtue of its design, takes advantage of inherent physical forces to maintain the dev... | 12/04/1979 |
| 3955610 | Self-seating tire traction apparatus for clampingly engaging tire sidewalls A tire traction apparatus for use on a tire comprising at least one chain having first and second ends and a length slightly greater than the circumference of the tire, a latch for securing the first end to a portion of the chain proximate the second end,... | 05/11/1976 |
