...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7845577 | Inflatable automative traction recovery device Disclosed is an inflatable cushion configured with a substantially flattened tubular shape such that in an inflated state the inflatable cushion is highly adaptable so as to readily conform to the terrain of the underlying surface on which it is deployed and to the ... | 12/07/2010 |
| 7669778 | Auto creeper tread An auto creeper tread has the following features: three or four rows of circular holes disposed in an orderly manner on a skid-proof pad, wherein, the edge of each of the circular holes protrudes outwards; two rows of rectangular holes disposed on two sides of the s... | 03/02/2010 |
| 7404524 | Traction aid device A traction aid for providing traction to a wheel of a vehicle relative a ground surface has two sections, composed of side members and traction members, connected by a connecting mechanism enabling pivotal unfolding and folding of sections between folded and unfolde... | 07/29/2008 |
| 7350719 | Vehicle traction device An inventive traction device is provided for extricating mired vehicles from mud, snow or sand. The device is comprised of modules linked together to create a track upon which a mired vehicle drives over. The individual modules each have four walls forming a trough ... | 04/01/2008 |
| 7316597 | Traction pad for personal water board A traction surface for a water board has been developed comprising: a traction pad formed of a molded clear thermo plastic elastomer (TPE) material, and an upper surface of the pad having a roughened texture. The upper surface of the pad may include a center ridge e... | 01/08/2008 |
| 7299592 | Structural support system for floor tiles An improved support system for an injection molded floor tile is provided by vertically aligning the support system below the main floor panel with a surface structure above the main floor panel. The surface structure is at least one vertical structure or protuberan... | 11/27/2007 |
| 7300224 | Support grid platform for supporting vehicles over ecologically sensitive terrain A grid-type platform especially suited for use supporting vehicle wheels to provide traction while traveling off-road especially through environmentally sensitive topography, and to prevent unnecessary and excessive wear and damage to such off-road paths or trails. ... | 11/27/2007 |
| 7252325 | Work vehicle cab screen A side screen for the cab of a work vehicle, such as a skid steer loader, comprises a panel having strips defining openings therebetween. A high percentage of the area of the screen is open for visibility. At least one reinforcing member, such as a rib, is formed in... | 08/07/2007 |
| 7229232 | Reinforced mat for unstable surfaces Terrain often hinders wheeled vehicles as cars mire in sand and wheeled carts in mud. Beaches, sandy playgrounds, and mud inhibit travel of wheelchairs. A reinforced mat upon a lattice of projections provides a stable surface for wheels and wheelchairs. The projecti... | 06/12/2007 |
| 7223252 | Finger-pressure substitutive stimulator A finger-pressure substitutive stimulator comprises a supple, net-like sheet member having many stripe-like projections on one surface thereof and formed of various hard or semi-hard synthetic resin materials. The finger-pressure substitutive stimulator is fixed to ... | 05/29/2007 |
| 7180016 | Weight sensor accessory This invention provides a housing (60) for a weight sensor (10). The housing (60) is made from fluid-impervious material and is shaped and configured to completely enclose the weight sensor (10) in a fluid tight manner. The housing (60... | 02/20/2007 |
| 7165477 | System for installing chains on vehicle tires A drive-on system for installing a tire chain (i.e., snow chain) on a pneumatic tire mounted on a vehicle wheel. The system includes a U-shaped installation tool whose arms releasably engage fastening elements (hooks or links) at one end of each side chain, and a in... | 01/23/2007 |
| 7162760 | Methods and apparatus for a step mounting system A step mounting apparatus includes a stepping portion, at least one mounting support extending from the stepping portion, and at least one contact member attached to the at least one mounting support. The at least one contact member is adjustable with respect to the... | 01/16/2007 |
| 7163351 | Tire cleaning apparatus The tire cleaning apparatus provides a vibration-inducing surface for a vehicle passing over the tire cleaning apparatus in order to remove dirt and debris from the tires of the vehicle. The tire cleaning apparatus includes at least one tire-cleaning frame, which is... | 01/16/2007 |
| 7162839 | Non-slip material The invention provides a slip stopper which achieves a great slip stopping effect, and can be used for a location where a problem occurs if a through hole is opened therein. In a protruding portion that protrudes from the upper surface of a steel plate in the plate ... | 01/16/2007 |
| 7160055 | Road mat A road mat having a mat body with a first coupling end and a second coupling end. A first locking mechanism is provided at the first coupling end that includes a male coupling member and a female coupling member. A second locking mechanism is provided at the second ... | 01/09/2007 |
| 7140587 | Support device A support device may be used by a technician when performing elevated line work, for example. The support device may include a body portion having a ring portion extending from one end of the body portion. The support device also may include first and second hanger ... | 11/28/2006 |
| 7118305 | Wave shaped vehicle barrier A vehicle barrier uses adjacent rows of wave-like sections adapted to be positioned on a ground surface. A section is defined by (i) a planar wall extending angularly upward from the ground surface to the section's peak, and (ii) a concave wall extending angularly d... | 10/10/2006 |
| 7100924 | Elastomeric hinged seal A hydrodynamic PTFE seal for a rotating part including a first portion supported by a flexible, elastomeric member and a second portion extending from the first portion past the elastomeric member along the rotating part. The second or trailing portion of the seal i... | 09/05/2006 |
| 7059799 | Method and device for reducing construction site track out A method for shaking vehicles comprises driving them over a series of appropriately spaced-apart, mutually parallel bars to vigorously shake the wheels, undercarriage, and body to free them of dirt, gravel and debris. An apparatus may have bars with the appropriate ... | 06/13/2006 |
| 7025530 | Road mats A road mat having a mat body with a first coupling end and a second coupling end. A first locking mechanism is provided at the first coupling end that includes a male coupling member and a female coupling member. A second locking mechanism is provided at the second ... | 04/11/2006 |
| 6983891 | Trackhoe anti-skid device A trackhoe anti-skid device for reducing lawn damage having a bottom traction plate a spike connected to the bottom traction plate for frictionally engaging conventional earth. A top traction plate boltable to the bottom traction plate for adjusting the width. ... | 01/10/2006 |
| 6955631 | Adjustable step trainer An adjustable step trainer including two straps and more than one slat through which the straps are passed. Each end of the slat has a fixing section through which the strap is passed. A press unit is disposed in a chamber of the fixing section for pressing and fixi... | 10/18/2005 |
| 6926643 | Aerobic ramp A step exercising system for an aerobic step workout is constructed as a portable inclined step ramp. The ramp is sloped towards a user such that the user can step up onto the ramp at various heights, thereby regulating the degree of intensity of the workout without... | 08/09/2005 |
| 6918544 | Automobile traction devices Traction devices for an automobile tire include an adherent elongate expanse and a studded layer sandwiched between the adherent layer and the surface of a tire. ... | 07/19/2005 |
| 6881006 | Device and method for reducing construction site track out A method for shaking vehicles comprising driving them over a series of appropriately spaced-apart, mutually parallel bars to vigorously shake the wheels, undercarriage, and body to free them of dirt, gravel and debris. The apparatus provides bars with the appropriat... | 04/19/2005 |
| 6880763 | Hitch assisting device and method A hitch assisting device and method includes a generally planar member having an upper surface and a bottom surface. The planar member has a front edge and a back edge. The upper surface has at least one depression positioned therein. The depression extends between ... | 04/19/2005 |
| 6874972 | Temporary road bed An apparatus for constructing a temporary road bed include a mat formed from a plurality of planks having a longitudinal dimension and spaced-apart a uniform distance by a spacer. A flexible cable extends through apertures in the planks and spacers for coupling the ... | 04/05/2005 |
| 6779738 | Vehicle traction mat A vehicle traction mat for helping dislodge a motor vehicle that is stuck in a rut comprises a plurality of hooks and at least one mat having a top surface and a bottom surface. The mat top surface has a plurality of dimples therein. The mat has a plurality of mat c... | 08/24/2004 |
| 6696122 | Temporary surface covering A temporary surface covering with a woven structure formed of warp threads and weft threads and whose weave is such that each warp thread intersects or intertwines with the following weft threads, and a second auxiliary woven structure being superposed ha... | 02/24/2004 |
| 6673417 | Anti-slip floor tiles and their method of manufacture Anti-slip floor tiles are provided which are textured with a pattern of spikes. The spikes are preferably pyramidal or conical in shape. The height, angle, and base width of the spikes are important to slip resistance coefficients. Preferred spike dimensi... | 01/06/2004 |
| 6630042 | Tackifying treatment for floor mats The present invention includes a method of reducing slippage between a mat having a flexible polymer back surface and a substrate surface contiguous to the back surface, the method comprising applying a liquid comprising an aqueous solution of poly(vinyl ... | 10/07/2003 |
| 6592288 | High-traction anti-icing roadway cover system A high traction anti-icing road cover system; the system includes a pair of base magnetic covers, for example steel plates or flexible non-porous magnetic layers, disposed in grooves in a road surface, such as a bridge span or deck, along the expected tir... | 07/15/2003 |
| 6575660 | Temporary road bed A method and apparatus for constructing a temporary road bed include a mat formed from a plurality of planks having a longitudinal dimension and spaced-apart a uniform distance by a spacer. A flexible cable extends through apertures in the planks and spac... | 06/10/2003 |
| 6534146 | Dual purpose floor mat A dual purpose floor mat for providing a better floor mat for vehicles that will better protect the floor of the vehicle. The dual purpose floor mat includes a mat member having a bottom wall and also having side and end walls securely attached to and ext... | 03/18/2003 |
| 6520420 | Vehicle anti-slip device A vehicle anti-slip device for providing traction for a wheel positioned on a relatively slippery surface. The vehicle anti-slip device includes a frame having a first wall, a second wall, a third wall, and a fourth wall integrally coupled together such t... | 02/18/2003 |
| 6394362 | Traction enhancing mat A traction enhancing mat allowing a user to get their vehicle unstuck without requiring assistance from an outside source. The traction enhancing mat includes a first panel member that has plurality of upwardly extending ridges such that the ridges are ad... | 05/28/2002 |
| 6314602 | Non-skidding vehicle wheel ramp A Non-Skidding Vehicle Wheel Ramp having a portable vehicle wheel ramp portion coupled to a portable anchor portion by a detachable linkage. The coupling of the portable vehicle wheel ramp portion and the portable anchor portion permits elevating a vehicl... | 11/13/2001 |
| 6214428 | Laminated support mat A laminated support mat for supporting and moving draglines and other heavy equipment in muddy, boggy or marshy areas. The laminated support mat includes multiple wooden laminates of typically unequal length and selected width and thickness, which laminat... | 04/10/2001 |
| 6129289 | Traction device A traction device for a wheeled vehicle arranged to be laid on the ground in engagement with a tread portion of a tire to provide a traction grip to the tire. The traction device includes a U-shaped frame and a pair of claws constructed at the ends of the... | 10/10/2000 |