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| Number | Title | Issue Date |
| 6581661 | Apparatus for improving tire traction An apparatus that is used to increase traction between the tires of a vehicle and a slippery surface such as snow, ice, sand or mud. The apparatus is easily fitted transversely across the tire tread and tightened about the tire and tire rim by a take up r... | 06/24/2003 |
| 6009922 | Emergency vehicle traction device An emergency vehicle traction device for improving the traction of an automobile wheel having laterally communicating hub apertures. The device comprises a traction member preferably comprising a chain for improvement of the wheel's traction, a flexible r... | 01/04/2000 |
| 4059137 | Tire-chain device A combination tire-chain device comprising a tire having a crown with a plurality of openings extending parallel to the axis of the tire and uniformly spaced around the tire extending through the crown from one side thereof to another side wall thereof. A... | 11/22/1977 |
| 4020886 | Tire chain for tractors and the like A tire chain for tractors and the like includes a plurality of relatively large longitudinally aligned annular elements which are retained in the chain by means of laterally extending chain parts, and onto which are welded a number of plate members protru... | 05/03/1977 |
| 3999584 | Traction means for resilient tires of motor vehicles A traction attachment for the drive wheels of motor vehicles comprising a number of interconnected traction units self applicable to a tire by interposed spring means in resilient response to pressure exerted by a wheel longitudinally progressing thereove... | 12/28/1976 |
| 3974871 | Anti-skid tire chain An anti-skid tire chain, especially for dual tires in which the chain has a tread part for engaging the tread of each tire and an intermediate part between and connected to the tread parts. Each part of the chain is formed of rings and chain links connect... | 08/17/1976 |
| 3941175 | Connecting link, especially for tire chains A connecting link, especially for tire chains in which an annular link body is provided with a gap on one side for the introduction of links into the body. A closure member is provided which is receivable in the gap and which is adapted for connection to ... | 03/02/1976 |
