...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8118280 | Modular vehicle ramp system A modular vehicle ramp system is provided for elevating all four wheels of a vehicle off of the ground to allow a user easy access beneath the elevated vehicle. The components are modular allowing the ramp system to be employed in several different reconfigurable ar... | 02/21/2012 |
| 8002241 | Half block for multi-level interlocking blocks The present invention is a unitary piece block formed of polymers (such as polystyrene or other high strength polymer) by a single injection molding step which are assembled into a recreational vehicle leveler. The invention ramp provides four sets of four connector... | 08/23/2011 |
| 7980532 | Vehicle leveling device A leveling device for vehicle wheels comprising a first integral planar member for mating with one or more additional integral planar members of substantially the same shape and dimension in releasable relationship. All integral members have four sides and an upper ... | 07/19/2011 |
| 7621504 | Cribbing apparatus A cribbing apparatus for stabilizing a post-accident vehicle against unwanted movement of the vehicle during a rescue operation in which a victim trapped in the vehicle is to be extricated from the vehicle including a cribbing block having a two cribbing block porti... | 11/24/2009 |
| 7416166 | Multi-level interlocking blocks The present invention is a unitary piece block formed of polymers (such as polystyrene or other high strength polymer) by a single injection molding step which are assembled into a recreational vehicle leveler. The invention ramp provides four sets of four connector... | 08/26/2008 |
| 7360983 | Portable elevated vehicle display The present invention shows a portable elevated vehicle display that may be lowered for a vehicle to be loaded on a display platform. By extension of a hydraulic cylinder in a parallelogram structure, the display platform and the vehicle may be raised into the air. ... | 04/22/2008 |
| 7350255 | Vehicle ramp A ramp for a vehicle comprises an elongated track with a leading end and a trailing end. The leading end engages a flatbed platform of a vehicle, and the trailing end engages a ground surface so that there is a slope between the leading and trailing ends when the ra... | 04/01/2008 |
| 7334804 | Portable tire and wheel lifting apparatus A portable tire and wheel lifting apparatus includes a base, a pair of lifting arms pivotally coupled in a scissor configuration, pneumatic cylinders, an air input device, and an air outlet valve. In use, a tire and wheel are smoothly rolled from the ground to the l... | 02/26/2008 |
| 7331544 | Deployable receptacle A deployable receptacle includes a tray for supporting an object thereon and being movable between a storing position and a deploying position. The tray stores an object thereon when the tray is disposed in the storing position and deploys the object therefrom when ... | 02/19/2008 |
| 7316043 | Combined ramp and vehicle chocking construction A combined ramp and chocking construction for a four-wheeled vehicle can be adjusted to a first position in which the construction forms a ramp, and to a second position in which the construction provides four vehicle chocks. The construction includes four units arr... | 01/08/2008 |
| 7308971 | Turn plate and slip plate centering and locking mechanism A vehicle support system runway with a movable surface for supporting the wheels of a vehicle in such a manner as to permit a limited range of translational motion about a centered position, having an automatic centering and locking system. The centering and locking... | 12/18/2007 |
| 7303510 | Bicycle training apparatus A bicycle training apparatus having an elevator assembly, a wheel support assembly operatively coupled to the elevator assembly, and a resistance interface assembly operationally coupled to the elevator assembly. The elevator assembly operates to raise and lower the... | 12/04/2007 |
| 7278627 | Riding lawn mower lift A lift and support structure is provided for a lawn tractor which includes a frame with a center lift member secured to and separating a pair of wheel support members. Ramps are secured to the wheel support members to permit the front or rear wheels of the lawn trac... | 10/09/2007 |
| 7260861 | Pallet-ramp coupling apparatus and method An apparatus, system, and method are disclosed for integrating the steps of securing and aligning a ramp to the pallet. A pallet mounting bracket secures to a pallet and mates with a corresponding ramp mounting bracket secured to a ramp. A pallet mounting bracket in... | 08/28/2007 |
| 7225492 | Ramp A collapsible ramp (100) comprising a collapsible deck (102) and a collapsible support structure (104). The deck (102) is composed of plural transverse panels (106, 110, 112, 114, 116) selectively joinable by tongue and groove conn... | 06/05/2007 |
| 7222838 | Collapsible vehicle ramp An improvement in a vehicle ramp facilitates easy storage and quick and simple conversion from a stored, collapsed state to an open, in-use state. The vehicle ramp comprises a pair of plate members pivotally coupled together along one side of each respective plate m... | 05/29/2007 |
| 7207764 | Wheel lift system A wheel lift system for efficiently lifting and positioning a wheel and tire onto a wheel hub. The wheel lift system includes a first arm and a second arm pivotally attached to one another, a plurality of caster wheels attached to the lower portion of the arms, and ... | 04/24/2007 |
| 7204475 | Vehicle lift for motorcycles A vehicle lift for a motorcycle includes a base, a ramp, and a lifting mechanism. The base has a first end and a second end. The lifting mechanism has a first end and a second end. The ramp has an end and a connection point. The connection point of the ramp is pivot... | 04/17/2007 |
| 7194779 | Vehicle stand system A vehicle stand system comprises four stands (1, 2, 3 and 4) each of which includes an upwardly presented support surface for supporting a wheel of a vehicle, two bridge pieces (5 and 6) having means for releasable attachment to the stand... | 03/27/2007 |
| 7188824 | Appliance lift tool An appliance lift tool is provided which includes a cart having a frame includes a support platform having a horizontal orientation, a bottom frame, and a lift mechanism engaged between the support platform and the bottom frame to move the support platform toward an... | 03/13/2007 |
| 7162762 | Dock leveler with inflatable bag An air operated dock leveler is provided to selectively raise and lower a deck with an extendable lip. The deck includes a downwardly extending deck lift arm. An air lift assembly includes a single chamber, inflatable bag positioned between a stationary lower bag su... | 01/16/2007 |
| 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 |
| 7145079 | Modular cable protector A modular cable protector has a side ramp extending laterally outward and downward from the top to the base along one side of the cable protector, and a side ramp cover extending laterally outward and upward from the base to the top along the opposing side of the ca... | 12/05/2006 |
| 7114210 | Ramp and method of construction A ramp constructed of an expanded plastic foam parallelepiped core encased in a thick coating of polyurea provides a lightweight, stable ramp suitable for vehicle servicing. A low angle, long length ramp of a low weight is provided. Heavy duty versions have on edge ... | 10/03/2006 |
| 7111825 | Non-metallic laboratory jack A non-metallic laboratory jack comprises two oppositely disposed reinforcing elements having I-beam cross-sectional configuration disposed in the central elevational region of the jack; a base position below the reinforcing elements and a load-bearing platform posit... | 09/26/2006 |
| 7104524 | Vehicle ramp with chock A vehicle ramp for raising a vehicle wheel having an incline component and a separate but interlockable elevated wheel support component. The incline component can be removed while the vehicle wheel is resting on the corresponding elevated wheel support component. T... | 09/12/2006 |
| 7100232 | Vehicle ramp A ramp for a vehicle comprises an elongated track with a leading end and a trailing end. The leading end engages a flatbed platform of a vehicle, and the trailing end engages a ground surface so that there is a slope between the leading and trailing ends when the ra... | 09/05/2006 |
| 7073777 | Portable modular wheel lift A modular wheel lift provides elevation of a vehicle wheel enclosed by body portions of a low height above the ground. A base lift unit includes a lift surface height selected to be less than the body portions height. A ramp unit is aligned and hingedly attached to ... | 07/11/2006 |
| 7070540 | Athlete training device The present invention is an athlete training device and method useful in training athletes for track and field events including the high jump, pole vault, discus, long jump and shot put. The ramp may be adjusted to a number of discrete ramp angles with the use of ei... | 07/04/2006 |
| 7065887 | Device for supporting the wheels of motor vehicles in general during their attitude check A device for supporting the wheels of vehicles in general during their attitude check, comprising a horizontal plate (8) which is supported in such a manner as to enable it to undergo rotation and translation within the plane in which it lies, about a positio... | 06/27/2006 |
| 7040059 | Method and adjustable apparatus for anchor-free masonry wall bracing Adjustable apparatus for bracing one or both sides of a wall being fabricated from masonry blocks and having an opening near the base of the block wall. Bracing system includes strong rigid members assembled in the form of a right angle brace set having stiff vertic... | 05/09/2006 |
| 7040603 | Leveler interlocking blocks The present invention is a set of at least three interlocking blocks where two of the blocks are set on a ground surface and are connected at their top surfaces by a particular configuration of the underside of the third block. Four square and raised parts with four... | 05/09/2006 |
| 7033119 | Vehicle support platform A vehicle support platform is provided. The vehicle support platform includes a vehicle support deck of generally rectangular shape attached to a support frame constructed of a plurality of frame members and a pair of ramps are pivotally attached to opposite ends of... | 04/25/2006 |
| 7021237 | Vehicle garage guard #2 A parking guide having both visual and auditory indicators to show a driver when a vehicle is properly positioned in a parking space. ... | 04/04/2006 |
| 7003836 | Portable car ramp This portable car ramp has two structural components coupled longitudinally together, while allowing limited relative vertical movement when each's bottom edge rest on a medium surface. The first component has an elevated wheel run while the second component has an ... | 02/28/2006 |
| 6993801 | Variable ramp assemblies and system therefor A variable stackable ramp system for forming ramp assemblies for providing challenging obstacle courses including ones for aerial lift for sport jumping with skateboards, inline skates, bicycles and the like. The ramp system includes ramp modules of at least two dif... | 02/07/2006 |
| 6966542 | Motorcycle lift A lift is provided with a low profile lifting mechanism. The lifting mechanism includes a first member pivotally connected to a base, a second member pivotally connected to the first member and a third member pivotally connected to the second member and to the base.... | 11/22/2005 |
| 6948724 | Combination equipment ramp, utility trailer, work surface and receiver hitch attachment A combination ramp and cart device includes a main frame and a pair of wheel support frames mounted thereon. In a ramp configuration the wheel support frames extend upwardly from the main frame and support respective front and back ends of ramp frames, which are rem... | 09/27/2005 |
| 6945514 | Vehicle ramp system A vehicle ramp system for elevating a vehicle off the ground. Tires on one end of a vehicle are driven onto a first set of modified ramps. Each of the modified ramps has an extended elevated horizontal platform and the vehicle's tires are rolled to the terminal end ... | 09/20/2005 |
| 6935619 | Motorcycle lift A lift for raising a motorcycle positioned on a surface of the lift includes a frame defining a wheel-way and a surface along a longitudinal path on the lift. A front end lift assembly includes a drive and is mounted to the frame for living the front portion of the ... | 08/30/2005 |