In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7744331 | Transport vehicle and method A transport vehicle includes a self-balancing vehicle base. A platform is supported on the base and is displaceable relative thereto between a first position and a second position. A support device engages the platform and supports at least a portion thereof during ... | 06/29/2010 |
| 7651312 | Truck with tilting deck A truck includes a chassis 1 supporting a cab 3 and a deck 9 which is supported at least by a rearmost axle 15 and wheels 17. The deck 9 is tiltable relative to the chassis 1 about a pivot axis 27 located in fr... | 01/26/2010 |
| 7591627 | Suspended wheeled cargo transport apparatus and self-standing platform A device to facilitate transporting an injured person or cargo over rough terrain having an elongated rigid load bed riding on adjustable air-sprung suspension over a wheel assembly having a narrow track. The device includes handles extending from each end which can... | 09/22/2009 |
| 7341419 | Mechanism for securing a tilt frame of a hook lift hoist to a truck frame A locking mechanism for locking a tilt frame of a hoist to a vehicle frame comprises a semi-annular ring connected in axial alignment to the hub of a hoist lift arm. The ring is adapted to receive a pin connected to the vehicle frame. An opening is formed in the rin... | 03/11/2008 |
| 7326022 | Tow trailer assembly A modular tow trailer assembly tows cargo behind a motor vehicle. A base assembly pivotally connects to a fork assembly. A hydraulic lifting cylinder moves the wheels downward relative to the fork assembly to raise the fork assembly into a towing position with the l... | 02/05/2008 |
| 7300067 | Trailer for a boat A trailer adaped for a boat that includes a U-shaped chassis having wheels and a number of struts supported by the chassis and slings or the like oriented between struts coordinated in pairs is described. The slings support the boat by abutting against an outer surf... | 11/27/2007 |
| 7275907 | Boat trailer tug The boat trailer tug includes a primary frame with a mounting beam that is attachable to a boat trailer frame. A primary collar is fixed to the mounting beam front end. A hitch tongue is connected to the collar and extends forward from the collar. A hitch ball recei... | 10/02/2007 |
| 7255361 | Load coupling apparatus for a wheeled vehicle A load coupling apparatus for a wheeled vehicle includes load linkage members that pivotally suspend the vehicle and load weight below the axles of the vehicle, allowing limited relative displacement of the axles and the load in the direction of vehicle travel. The ... | 08/14/2007 |
| 7243979 | Recreational and utility trailer A recreational utility trailer having a subfloor and a fold-up top deck creating a storage space therebetween for storing a fabric shelter. The trailer also has movable suspension and hinged tongue for raising the trailer to a transit position and for lowering the t... | 07/17/2007 |
| 7234720 | Apparatus for supporting and transporting a bleacher A trailer apparatus is for use with a portable bleacher of the type having a lower framework supporting and interconnecting a plurality of generally parallel longitudinally extending bleacher seat assemblies. The framework includes longitudinally spaced laterally ex... | 06/26/2007 |
| 7198122 | Device for transporting a stroller A device for transporting strollers includes a base member having a plurality of compartments, a plurality of wheels for supporting the base member wherein two such wheels are mounted adjacent the rear portion and another wheel is pivotally mounted to the base membe... | 04/03/2007 |
| 7163212 | Portable transportation assembly A portable transportation assembly 10 having a pair of wheels 40, 42 which may be selectively raised and lowered and which is adapted to transport a bathroom assembly 200 in an easy and efficient manner. ... | 01/16/2007 |
| 7153080 | Hydraulic level-loading and dumping trailer A trailer, having the capability of lowering its deck to the ground surface for ease of loading and unloading from the ground; raising its deck to a loading dock height for ease of loading and unloading from a loading dock or other elevated surface; and tilting its ... | 12/26/2006 |
| 7147240 | Self-propelled platform for watercraft A self-propelled platform for a small watercraft. The platform is used to carry a small watercraft from a storage place on the land to sea, and when the watercraft is in use, the platform enables the watercraft to be moored and stored on sea. The platform also enabl... | 12/12/2006 |
| 7140290 | Mortar deployment and storage system A system for stowing and deploying a mortar from a transport vehicle employs a hoist mechanism, a support frame, a pair of guide arms and a barrel-support strut attached to a transport vehicle. The support frame is adapted to be temporarily engaged with the mortar b... | 11/28/2006 |
| 7137642 | Load coupling apparatus for a wheeled vehicle A load coupling apparatus for a wheeled vehicle includes load linkage members that pivotally suspend the vehicle and load weight below the axles of the vehicle, allowing limited relative displacement of the axles and the load in the direction of vehicle travel. The ... | 11/21/2006 |
| 7055878 | Multipurpose trailer system A multipurpose trailer system for providing a trailer, a fish house, a deer stand, and a scaffold within a single structure. The multipurpose trailer system includes a frame with a plurality of wheels, a housing, a plurality of first arms and second arms pivotally c... | 06/06/2006 |
| 7055278 | Portable tube cleaning system A portable cannon tube cleaning system that includes a trailer designed to be pulled to the field site of a cannon tube to be cleaned; a mechanism securely mounted to the floor of the trailer for providing vertical height adjustment; a main cleaner chassis assembly ... | 06/06/2006 |
| 7036832 | Oversized massive break apart dolly An oversized, break apart dolly for picking up and lifting massive articles such as snowmobiles. The dolly stands more than six feet tall. A typical operator of the dolly brings his arms over his head to reach the handle of the dolly, and then uses his weight to dra... | 05/02/2006 |
| 6964241 | Portable mooring device for small watercraft A portable mooring device for a small watercraft includes frame means having a pair of opposing side members and a plurality of crossbar members that are assemblable and adjustable by releasably securing telescopic engagements therebetween with removable pins, water... | 11/15/2005 |
| 6953003 | Watercraft landing cradle A parallelgram arrangement of linkages interconnect a stern ramp frame with a plurality of parallel rails vertically adjusted to positions above the ramp frame by actuators for reception and maintenance of a watercraft thereon with minimized vibration, further reduc... | 10/11/2005 |
| 6945743 | Sports and recreational trailer The sports and recreational trailer fills the existing gap in technology by providing a single device to competently handle all of the tasks associated with elevated stands, blinds, trailers, fishing huts, and the like. This invention also adds new functionality not... | 09/20/2005 |
| 6935656 | Combination hitch-mountable utility cart A receiver hitch-mountable utility cart has a support frame for supporting a payload, a hitch arm rigidly attached to the support frame, the hitch arm shaped to engage a receiver hitch bar of an over-the-road vehicle, a wheelbase assembly with wheels for transportin... | 08/30/2005 |
| 6729828 | Load carrying vehicle A load carrying vehicle body with a chassis is provided which has a forward support and a rearward support, and which is able to accommodate a load. The rearward support includes a pair of support members each with at least one wheel mounted to one side of a support... | 05/04/2004 |
| 6575487 | Boat launching/retrieval/transport apparatus and method A transport apparatus to launch a boat into the water and retrieve the boat from the water. There is an elongate main frame having forward and rear main frame sections pivotally connected to one another along a transverse axis at approximately a mid locat... | 06/10/2003 |
| 6179542 | Kneeling dolly with ramp brake A kneeling dolly with ramp brake and method of use. Each kneeling dolly with ramp brake comprises a body having a ramp adjacent a wheel well, two front wheels swivellably and retractably attached to the body, and at least one rear wheel. Devices for exten... | 01/30/2001 |
| 6135700 | Transport vehicle deck lowering mechanism A transport vehicle with a cargo deck having a deck lowering mechanism to enable easy loading of cargo, such as a motorized vehicle. The vehicle has a tandem wheel set located on each side thereof. The wheels are rotatably attached to the outer ends of sp... | 10/24/2000 |
| 6113338 | Rear loading trailer and method of use A rear loading trailer includes a rearward end lowering mechanism to eliminate or reduce unnecessary weighting of the rear wheels and axle during loading or unloading of heavy equipment such as mining earth movers, shovels and the like. The lowering mecha... | 09/05/2000 |
| 5887880 | Squatdown axle and suspension system A squatdown axle and suspension system for vehicles used to haul cargo provides a frame, a cargo bed attached to the frame, at least two wheels, and an adjustable suspension system for suspending the frame on the wheels between a transport position in whi... | 03/30/1999 |
| 5857823 | Articulated self-propelled boat trailer and tug An articulated self-propelled tug and boat trailer. The trailer is mounted on wheels and includes a laterally opposed pair of generally parallel spaced apart longitudinally extending hull supporting members connected by cross members. The hull supporting ... | 01/12/1999 |
| 5727920 | Vertical lift towing dolly including variable, attachable platforms The present invention has many inherent advantages, such as we provide "A VERTICAL LIFT TOWING DOLLY INCLUDING VARIABLE, ATTACHABLE PLATFORMS" with each platform being individually designed for a specific purpose, such as hauling a boat, car, motorcycle, ... | 03/17/1998 |
| 5678977 | U-frame vehicle A U-frame wagon formed with two parallel longitudinal beams (2, 3) and a front transverse beam (4) interconnecting the two longitudinal beams. Two wheel units (6, 7, 8, 9) are attached to the rear ends of the longitudinal beams for supporting the rear par... | 10/21/1997 |
| 5584639 | Tow trailer for transporting pallets A tow trailer assembly for towing a single pallet of material behind an automobile or truck and having a substantially rigid fork frame with apparatus for connecting the trailer to the towing vehicle at one end and forks for engaging and lifting the palle... | 12/17/1996 |
| 5518260 | Disabled vehicle mover A device for moving disabled vehicles in which fixed and movable jaws are carried by a self-propelled truck and function under operator control for selectively capturing coaxial vehicle tires between the jaws, and lifting the tires and vehicle so that the... | 05/21/1996 |
| 5433578 | Retractable suspension A vehicle includes at least one pair of wheels and a respective wheel support arm associated with each wheel for supporting the wheel for rotation, one end of each arm being pivotally coupled to the vehicle. A respective suspension component is secured to... | 07/18/1995 |
| 5366336 | Leveling rod assembly coupled between towed implement hitch and ground wheel axle A towed rotary cutter has a main frame defined by the cutter housing supported at its rear by ground wheels that are coupled to the frame through means of a pivotably mounted axle. A hitch is pivotally mounted at the front end of the frame and carries a c... | 11/22/1994 |
| 5348169 | Storage rack systems A storage rack system having a plurality of storage bays adapted to store pallet loads that are seven pallets deep is disclosed. One storage rack system disclosed includes six carts each adapted to support a single pallet load and being supported on track... | 09/20/1994 |
| 5306114 | Elevating scaffold trailer An elevating scaffold trailer is provided for transporting burley tobacco stalks impaled on tobacco rods from the field into a curing cell and subsequently out of the curing cell. The trailer comprises an elevating device for raising tobacco rod carrying ... | 04/26/1994 |
| 5297745 | Rear-mounted manure gathering machine and method of handling manure A more even distribution of manure during spreading, a more efficient pickup of loose and gummy material, a more efficient pickup of manure in irregular feedlots, and avoidance of spillage of manure during transport are accomplished by employing a method ... | 03/29/1994 |
| 5293950 | Off-highway motor vehicle for paraplegic handicapped persons The invention concerns an off-highway motor vehicle for paraplegic handicapped persons. It comprises a frame (1) whose base (1') has a U shape open towards the front, the paraplegic sitting on his wheelchair (3) being installed between the branches of the... | 03/15/1994 |