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 |
| 7819408 | Fold flat support structure assemblies featuring simplified latches and releases This application discloses movable, stowable support structure assemblies for supporting an article or receptacle. The support structure assemblies may include simple manually manipulable latches, which the user simply presses to release the support structure assemb... | 10/26/2010 |
| 7658390 | Extendable wheel barrow handle adapters Embodiments of the present invention relate to an adapter that fits over a wheel barrow handle that is extendable. By way of this extension, the height of a handle portion of the adapter may be changed so as to change the effective height of the wheel barrow handle.... | 02/09/2010 |
| 7604246 | Frame for an vertical shaft engine-driven assembly An engine-driven assembly including an engine-driven device, a vertical-shaft engine, a frame, and a handle. The vertical-shaft engine supplies power to the engine-driven device. The frame is coupled to the vertical-shaft engine and the engine-driven device. The fra... | 10/20/2009 |
| 7438308 | Ergonomic telescoping handle assembly for wheeled luggage The present invention is directed to a wheeled luggage item with an ergonomic telescopic handle assembly. The ergonomic telescoping handle assembly of the present invention allows a user to use the luggage using just one hand. Furthermore, the ergonomic telescoping ... | 10/21/2008 |
| 7438301 | Apparatus and methods for moving storage and display systems An apparatus and methods for moving a shelving assembly. The apparatus includes support legs that are connected to the shelving assembly. Jack assemblies are connected to the support legs and are moveable to engage the ground and lift the shelving assembly off the g... | 10/21/2008 |
| 7434818 | One-hand operation conversion kit for wheelbarrow handles The “One-Hand Operation Conversion for Wheelbarrow Handles” added to a wheelbarrow, on one hand, offers single hand operability and maneuverability, and on the other hand offers added benefits to dual-handed users. The wheelbarrow can easily be converted from du... | 10/14/2008 |
| 7370877 | Locking device for a telescopic stem of a trolley Locking device for a telescopic stem for a trolley wherein the stem comprises an inner stem and an outer stem, which may glide into each other, characterized in that a friction element is arranged in the outer stem and that the inner stem is equipped with the blocki... | 05/13/2008 |
| 7284763 | Portable storage container assembly A portable storage container assembly having a bottom container, a top container and a cover, wherein the bottom and top containers may be selectively and individually accessed through the use of a sliding latch member that engages one or more of a series of male me... | 10/23/2007 |
| 7252295 | Household and shopping laundry cart A household and shopping laundry cart has a cart basket (1) with a first-side wheel (7) and a second-side wheel (8) that are positioned on sides aft of a linear center. A tow handle (10) is pivotal vertically on a tow hitch (11) on... | 08/07/2007 |
| 7240909 | Telescoping handle for paint cart A paint pump cart having a telescoping handle assembly including a paint pump frame having a pair of standtubes, a handle having a pair of extensions received in the standtubes, and a pair of knobs mounted on the standtubes. Each knob is rotationally movable with re... | 07/10/2007 |
| 7237660 | Transporting wheel structure of storage or luggage container The invention discloses a transporting wheel structure of storage and luggage container. Particularly, the transporting wheel structure is applied at a lower portion of a container for facilitating movements of the container. Rollers of the transporting wheel struct... | 07/03/2007 |
| 7231755 | Walk-behind implement and handle assembly release apparatus for use with same A walk-behind implement, e.g., lawn mower, having a handle assembly, and a handle assembly release apparatus for use with such an implement. The release apparatus, in one embodiment, may permit unlocking of the handle assembly from a first operating position relativ... | 06/19/2007 |
| 7222871 | Tricycle push handle A push handle for a child's vehicle has an elongated body with at least two elongated tubes of different diameters configured in a telescoping relation where the tube(s) of smaller diameters are slidable within the tube(s) of larger diameters between an extended sta... | 05/29/2007 |
| 7195248 | Wheelbarrow attachment for the back of the bucket of a wheelbarrow An wheelbarrow attachment for a typical wheelbarrow, the attachment removably fitting over the lip and bucket of the back of the wheelbarrow and therefrom extending upward and backward from the rear of the bucket. The u-channels fitting the bucket are connectively b... | 03/27/2007 |
| 7195255 | Handle positioning device for a hand truck A handle positioning device for a hand truck includes a lateral rod, a pull rod, and a handle. The lateral rod has a slide groove respectively formed lengthwise in two end portions, and the pull rod has two bent ends fitting movably in the two slide grooves of the l... | 03/27/2007 |
| 7121565 | Wheelbarrow easy dumping handle apparatus A wheelbarrow handle accessory has a tube member that slides over the end of a wheelbarrow handle, and a hand grip assembly including a partial sleeve that normally rests upon the tube member in aligned relationship, the hand grip assembly being rotatably supported ... | 10/17/2006 |
| 7073801 | Foldable mobility support device A mobility device includes at least a first front leg and at least a first rear leg connected to the first front leg. The first rear leg includes an upper member having a first end and a second end and a lower member having a first end and a second end. The first en... | 07/11/2006 |
| 7066484 | Foldable mobility support device A mobility device includes at least a first front leg and at least a first rear leg connected to the first front leg connected to the first front leg. The first rear leg includes an upper member having a first end a second end and a lower member having a first end a... | 06/27/2006 |
| 7066476 | Side attachable cover/seat for a cart carrying box A molded cover/seat secures over an opening in a carrying box on a two-wheeled cart to serve as a cover and a seat. The cover/seat has a smooth top for sitting and a ribbed waffle pattern bottom for strength. An encircling flange with interior corner protrusions sec... | 06/27/2006 |
| 7063347 | Main shaft and bottom bracket mounting arrangement for golf cart A main shaft and bottom bracket mounting arrangement for use in a golf cart is disclosed to include a bottom bracket holding a wheel axle with two wheels at the ends and a driving mechanism for rotating the wheels, a main shaft pivoted to a coupling frame at the bot... | 06/20/2006 |
| 7044484 | Folding anchor structure for foldable hand trucks A folding anchor structure for foldable hand trucks includes a loading board and a wheel set foldable simultaneously on two sides of a frame and a latch lever on a handle to latch the loading board in a folded and shrunk condition when the handle is retracted to pre... | 05/16/2006 |
| 7036641 | Backpack with removable handle and wheel assembly A bag carrying system having a removable handle and wheel assembly is provided. The system includes a bag having a back portion with a panel overlying the back portion and a handle and wheel assembly comprising a handle portion, a wheel portion and a longitudinally ... | 05/02/2006 |
| 6988738 | Combination unit of a golf cart and a golf bag A combination unit of a golf cart and a golf bag, wherein the golf bag is provided fixedly on an inner housing of the golf bag with a frame, the inner housing has a bottom portion which has two receiving spaces on lateral side, the inner housing has a groove on the ... | 01/24/2006 |
| 6935643 | Hiker's trail carrier The hiker's trail carrier may be used for transport of cargo while walking or hiking. The trail carrier may have a pair of lower longitudinal members having a wheel rotatably mounted therebetween at an axle end of each and a transverse member attached between the lo... | 08/30/2005 |
| 6935642 | Cart frame generator The present invention is directed to a generator including a cart-type fame assembly for transporting the generator. The generator of the present invention is mounted to a multi-segmented base frame assembly which forms a partial cage about the generator for protect... | 08/30/2005 |
| 6920666 | Control mechanism of a pull rod A pull rod structure includes a pull rod and a handle fastened to a top end of the pull rod. The handle is formed of a hand grip and two control arms, each being provided therein with a control mechanism having a first activation button or a second activation button... | 07/26/2005 |
| 6880852 | Three wheeled wheelbarrow with handle adaptor An ability to move a wheelbarrow without lifting the rear part of the wheelbarrow is achieved by attaching a handle adapter that extends upward from the rearwardly extending handles of the wheelbarrow. Further, a converter kit converts a conventional single wheeled ... | 04/19/2005 |
| 6848695 | Stackable yard cart A stackable cart upon which another cart can be stacked thereon includes a tray, a handle connected to the tray, and a plurality of wheels rotatably secured to the tray. The tray is configured to at least partially receive a handle of the another cart when the anoth... | 02/01/2005 |
| 6779803 | Ergonomic material-handling device A hand-held ergonomic material-handling device capable of moving heavy objects, such as large waste containers and other large objects requiring mechanical assistance. The ergonomic material-handling device can be used with neutral postures of the back, shoulders, w... | 08/24/2004 |
| 6764093 | Collapsible wheelbarrow A collapsible wheelbarrow is constructed with a pliable bin and pivotally connected handle members. The handle members are pivotally connected to a frame about first pivot axes, wherein the handle members may be moved outwardly away from an imaginary bisecting line ... | 07/20/2004 |
| 6708990 | Method and device for transporting a container having a threaded fitting A method and a device for transporting a container capable of storing a pressurized substance and having a threaded fitting. The method and device enables a person to easily transport the container while being exposed to a minimal risk of injury. The device includes... | 03/23/2004 |
| 6695324 | 3-fold type folding collapsible golf cart A 3-fold folding collapsible golf cart, which includes an upper rod member, a bottom rod member, and a lower rod member, the lower rod having a top end pivoted to the upper rod member and locked by a locking mechanism and a bottom end coupled to the botto... | 02/24/2004 |
| 6651992 | Container with integral dolly A container with an integral dolly includes a container body with a tubular upstanding sidewall that is closed at the bottom and open at the top. A cover, which overlies the open top, can be moved to uncover the opening and gain access to the interior of ... | 11/25/2003 |
| 6644675 | Stair chair A stair chair is provided and includes a seat 30, a backrest 34, a foot rest 32, upper handles 84 and lower handles 82. Three wheels 62 are mounted at each side of the chair. The wheels are pivotal about their own axis and also a common axis. Rotation abo... | 11/11/2003 |
| 6616174 | Sack trolley A sack trolley (1) presents a support frame (2) accommodating lower carrying wheels (3) and an upper handle (4) which is articulated to the lower ends of its side spars (5) by way of hinges (6) on the upper ends of the side legs (7) of the support frame (... | 09/09/2003 |
| 6604615 | Roller device of luggage case A roller device of luggage case includes the luggage case having at least two retractile mechanisms with at least two rollers at each bottom side. The retractile mechanism is connected with retractable handle pivotally so that the rollers stick outside th... | 08/12/2003 |
| 6582201 | Supporting frame for a portable compressor In a portable compressor having a support frame, a compression device, a storage unit and at least one transportation handle, the frame has at least a first and second base to protect and/or support the compressor itself; the first and second base lie, re... | 06/24/2003 |
| 6575493 | Collapsible trolley A grasping device for a case standing on rollers or the like is attached to a frontal surface of a case. In order to design the grasping device in such a way that the case is easy to transport and it is reliably prevented from tipping even when the direct... | 06/10/2003 |
| 6497311 | Wheeled luggage and associated devices A luggage article including first rollers and selectively deployable or nondeployable second rollers. The luggage article includes a handle that is movable between a retracted position and an extended position. The user can selectively deploy or not deplo... | 12/24/2002 |
| 6471237 | Wheeled container cart A cart is disclosed for supporting and transporting a container. The cart includes a container carrier for removably receiving a container. The carrier defines a bottom support, a rear support and opposite side supports, for surrounding a bottom, a back a... | 10/29/2002 |
