Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7363952 | Non-return block for snow chains having inserts to protect wheel A non return block (5) for locking a tensioning terminal portion (7) of snow chains (2), comprising a body (51) which defines a channel (12) in which the terminal portion (7) passes and a ratchet or a pawl (13) pivote... | 04/29/2008 |
| 7318363 | Apparatus and method for attaching a tire chain An apparatus for use in securing a snow chain onto the wheel of a vehicle, including a bar, a pair of cables, each cable having an end secured to one end of the bar opposite another cable having one end secured to an opposite end of said bar, a chain hook attached t... | 01/15/2008 |
| 7246645 | Tire chain assembly operated easily A tire chain assembly includes a chain body having a first side provided with a first snapping member and a second snapping member detachably engaged with the first snapping member and a second side provided with a snapping hole and a rotation locking mechanism deta... | 07/24/2007 |
| 7204282 | System for modular tire chain structure A flexible system for winter traction products that allows for component repairability, interchangeability, customization and resizing, all without requiring tools. The key to this system is the provision of connectors which provide interconnection of multiple compo... | 04/17/2007 |
| 7198084 | Dual purpose tire wrap A dual purpose automotive tire apparatus for alternatively supporting a vehicle's tire and/or rim in the event of a flat tire or providing enhanced traction for a vehicle on a slippery road surface. The apparatus includes a pair of elongated flexible retaining membe... | 04/03/2007 |
| 7174933 | Easy mount tire chains Configurations and installation methods for vehicle tire chains which provide tire chains especially easy to mount, and provide improvements in performance and vendor supply. ... | 02/13/2007 |
| 7096906 | Tire chain attachment apparatus and method A method and apparatus is provided for attaching a tire chain to a vehicle tire without necessarily crawling under the vehicle. Two members are connected to a tire chain. The members are then drawn together using a tensioning device, which allows connection of the t... | 08/29/2006 |
| 7021347 | Snow chain for vehicle wheels A snow chain to be mounted on a tire has a connection set having a plurality of planks, each of which has an arch portion and a connection portion. A radial chain set has a plurality of radial chains having ends coupled with the planks respectively. A main chain is ... | 04/04/2006 |
| 7013548 | Method for increasing friction between wheel and road using gliding preventer A device to be fitted on a vehicle wheel in order to increase the friction between the wheel and the road surface during winter conditions, comprises a belt that can encircle the tread of the wheel and be held in place by means of flexible inner and outer side porti... | 03/21/2006 |
| 7007572 | Tire chain tool A device for installing a tire chain is a one-piece, rugged tool made of ⅜″ or ½″ steel stock. The tool has a total length of approximately 1 foot. At a first end, the tool has an arcuate shape that terminates in an open channel, which channel functions to gr... | 03/07/2006 |
| 6889734 | Tire chain A wheel chain has a running lattice structure which is tightened by a pressure cord (8). The pressure cord (8) is connected to a lateral lattice structure arranged on the outer side of the vehicle tires by connecting members (6). Each of the con... | 05/10/2005 |
| 6308757 | Method and apparatus for increasing traction of a wheel A traction device includes a polygonal member having a number of attachment regions and a chamber with a predetermined number of sides. The chamber is disposed within a central region of the polygonal member. The number of attachment regions of the tracti... | 10/30/2001 |
| 6092577 | Side holder of an antiskid chain In an antiskid chain, a side holder has a closure for connecting the two free first and second ends of a shackle strand, each of which ends is provided with a thickened portion. The shackle strand can rest against the side of a vehicle tire and serves to ... | 07/25/2000 |
| 5837075 | Anti-skid chain An improved anti-skid chain structure is equipped with a plurality of chain units that are arranged in parallel around a tire. The chain units are coupled together end to end on each side of the tire by a plurality of connection bars and a plurality of tw... | 11/17/1998 |
| 5804001 | Snow chains for vehicles The vehicle tire chain structure is disclosed, which includes a plurality of cross chains which are arcuately spaced about the tire tread, and held in place by rope connectors, each of which are connected to the successive inboard and outboard ends of the... | 09/08/1998 |
| 5707464 | Easy installing tire chains In the several embodiments, a tire chain, and a method of installing a tire chain in which a line extends from each of the opposite ends of the portion of the tire chain that encircles the inside of a tire. In a preferred embodiment, the two lines cross t... | 01/13/1998 |
| 5582662 | Vehicle wheel anti-slip device A vehicle wheel anti-slip device which is removably mountable on a vehicle for adding traction in snow, ice, etc. The device includes a frame having a generally rigid polygonal shape, a plurality of ground engaging claws including a first leg portion loca... | 12/10/1996 |
| 5439727 | Surface anti-scuff device and system A surface anti-scuff device and system is disclosed wherein an anti-scuff member in the form of a strip of material having a high degree of abrasion resistance and a high degree of scuff resistance such as CORDURA.RTM. PLUS is mounted on each tire of a ve... | 08/08/1995 |
| 5285834 | No-skid spring chain A pneumatic tire is provided with a central tread area circumferential groove extended thereabout and a skid chain consisting of a link chain section having opposite ends and a generally cylindrical expansion spring semi-permanently interposed between and... | 02/15/1994 |
| 5267596 | Antiskid device for automobile tires The present invention relates to an antiskid device for mounting on automobile tires, designed to have the form of a segmented plastic envelope. The envelope is composed of tread segments provided with inserted metal spikes, ribs and recesses. Each tread ... | 12/07/1993 |
| 5180454 | Anti-skid tire apparatus An anti-skid tire apparatus includes a cover structure having a plurality of sections, each of the sections having an outer tread surface, the each section having internal and external sidewalls, the external sidewall having a plurality of fastening slots... | 01/19/1993 |
| 5178700 | Non-skid devices for tires A tire non-skid device including a net-like tire chain body, metal shanks planted in the tire chain body, and ceramic spikes fixed to tip ends of the metal shanks.... | 01/12/1993 |
| 5170827 | Detachable anti-skid chain for a vehicle wheel Snow chain for improving road contact of a vehicle comprising articulated plastic links which are interconnected without clearance and each have a bottom part as well as side walls, which by the load of the wheel clamp upon the sides of the wheel or the t... | 12/15/1992 |
| 5033522 | Anti-skid device for vehicle wheels with automatic positioning by securing members An anti-skid device for a vehicle is automatically positioned by securing members 50 which cause the device to pass from an installation position to the operating position in which an anti-skid assembly 70, such as a snow chain arrangement, is arranged on... | 07/23/1991 |
| 4960159 | Anti-skid device for tired vehicle wheels An anti-skid device for a vehicle wheel with a tire, particularly for tired vehicle wheels when used in ice and snow, arranged to be mounted on the vehicle wheel connected to an axle shaft, the anti-skid device including a setting member arranged to be po... | 10/02/1990 |
| 4903746 | Adaptor disk for attaching an anti-skid device to a wheel disk or rim In order to be able to use an anti-skid device, particularly for vehicle wheels with pneumatic tires when driven on ice and snow, having fixing disk, which can be attached to the wheel rim and which remains thereon even when the anti-skid device is not in... | 02/27/1990 |
| 4884933 | Adaptor for screwheads and the like In order to be able to use an anti-skid device, particularly for vehicle wheels with pneumatic tires when driven on ice and snow, having a fixing disk, which can be attached to the wheel rim and which remains thereon even when the anti-skid device is not ... | 12/05/1989 |
| 4862937 | Antiskid attachment for automotive wheels An antiskid attachment for use with an automotive wheel having a tire includes a base plate adapted to be positioned on one side of the wheel. A plurality of spaced-apart ground-engaging band members are mounted peripherally around the base plate in canti... | 09/05/1989 |
| 4862935 | Clamping apparatus for clamping an antiskid device for tires A clamping apparatus for clamping an antiskid device for tires is disclosed, in which the antiskid device comprises a plurality of rubber antiskid members each of which is sandwiched by and connected to a pair of parallel side members through a metal clas... | 09/05/1989 |
| 4850410 | Continuous snow chain This invention relates to a continuous snow chain comprising three cords or chains disposed in zig-zag patterns and connected to each other in a network of cords or chains of a finite length including two parallel rows of substantially diamond-shaped open... | 07/25/1989 |
| 4848430 | Tire snow belt A Tire Snow Belt made of a strip of rubber mounted on the circumferential surface of an automobile tire and having multiplicity of protrusions on the outside surface, that are of proper shape for increased traction on snow and interlinking ends with devic... | 07/18/1989 |
| 4836258 | Attachment apparatus for a tire mat In order to attach a tire mat to the circumference of a tired wheel, a front flexible elongate member is slidingly passed through attachment fittings on the mat spaced around the periphery of the front side of the wheel, and a rear flexible elongate membe... | 06/06/1989 |
| 4825923 | Traction cable A traction cable is provided for use on a vehicle tire to increase traction in snow and ice. The traction cable comprises a pair of elongated flexible side members having first and second ends, a plurality of flexible cross members interconnecting the sid... | 05/02/1989 |
| 4749015 | Non-skid device for tires In a non-skid device for tire constituted by two parallel cable-like members, and a plurality of non-skid strips which are fabricated of a flexible resilient material and positioned in a ladder form between the two cable-like members, each of the non-skid... | 06/07/1988 |
| 4735248 | Detachable tire anti-skid device A detachable anti-skid device for a vehicle wheel tire comprises a support bearing a series of anti-skid components extending transversely over the tread of the tire and at least one pneumatic jack fed from the air valve of the tire and making it possible... | 04/05/1988 |
| 4733705 | Tire shoe A tire shoe for replacing or changing the existing tread of a tire, the shoe including sidewalls provided with spaced closures and fasteners, and an inflatable bladder in an annular space between the shoe and the tire for securing the shoe in its position... | 03/29/1988 |
| 4730655 | Tire chain device for automobiles travelling on snow-covered terrain This invention relates to a tire chain device for automobiles travelling on snow-covered terrain and, in particular, to one having two steel hoops connected by a plurality short lengths of chains, a plurality of plastic tubes enclosing the steel hoops, tw... | 03/15/1988 |
| 4719669 | Fastening member for a tire chain A fastening member provided at the end of a spring-elastic mounting strap of a tire chain. The fastening member has an introduction passage and an attachment passage for a cooperating fastening member that is secured to the other end of the mounting strap... | 01/19/1988 |
| 4694872 | High performance drive tire arrangement for agricultural tractors A lightweight device for obtaining improved performance of rubber tired vehicles. The arrangement has high-strength, thin-gauged traction intensifying means secured to the driving member for a tire, having a smooth or shallow tread, providing improved dra... | 09/22/1987 |
| 4690190 | Securing device for a vehicle tire chain A tire chain adapted to be mounted on and readily removed from a vehicle tire includes an inner support extending, in the mounted state of the chain, circumferentially along and in engagement with an inwardly oriented tire side. The inner support has a sp... | 09/01/1987 |
