Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7633282 | Multi-scanner device having a detachable outlet tester A multi-scanner device having a detection unit and an outlet tester that can be selectively connected together for convenient use and easy storage. Preferably, a plug on the outlet tester is inserted into a non-functional socket located on the detection unit to form... | 12/15/2009 |
| 7614675 | Integrated slide-out drive system An expandable vehicle has slide-out sections in which one or more cog tracks are driven by a modular cog wheel drive assembly to move the slide-out sections in and out. The cog tracks can be integrated into the structure of the slide-out sections, and the slide-out ... | 11/10/2009 |
| 7610636 | In-vehicle lift mechanism The invention provides a vertical lift mechanism (10) for a bunk bed within a recreational vehicle. The mechanism includes a lateral support assembly (14) that travels up and down in an upright frame assembly (34). The lifting force is provided ... | 11/03/2009 |
| 7544902 | Mechanical lift measurement system A lift measurement system is provided for determining a position of a load during a lift operation. The system includes a display that includes a scale and encloses a movable indicator that moves relative to the scale. A linkage is in communication with the load and... | 06/09/2009 |
| 7527313 | Cable-operated slide-out for recreational vehicle A cable operated slide-out mechanism for a recreational vehicle has a linear actuator mounted in a fixed channel alongside the room or compartment and an end of each cable is fixed to the channel. Four cables are provided on each side of the slide-out, with two of t... | 05/05/2009 |
| 7497492 | Hydraulic auxiliary hoist and crane control for high precision load positioning A hoist for positioning a load (40) includes a plurality of lift cylinders (15), a plurality of position sensors, a plurality of electronically controlled valves, a user input device (22), and a hoist controller (20). Each of the hydrauli... | 03/03/2009 |
| 7468674 | Voltage sensing hand tool A hand tool and an accessory which provide an alarm signal to a user as the tool or accessory approaches a live electrical wire are disclosed. The hand tool or accessory include a non-contact voltage sensing circuit. As the tool or accessory approaches a live electr... | 12/23/2008 |
| 7374150 | Ergonomic fish tape A fish tape reel has an ergonomic pistol grip and ergonomic hand grips at an inner periphery of a hollow housing. Fish tape is wound into the housing cavity by rotating the housing with respect to the pistol grip. This can be done manually by grasping the interior h... | 05/20/2008 |
| 7343846 | Actuator having external load supporting member A hydraulic actuator is provided for supporting a load. The actuator includes a cylinder, a lower end closed by a base, and an annular side wall connected between the base and the upper wall. A piston is disposed partially within the cylinder, and includes a rod ext... | 03/18/2008 |
| 7295130 | Voltage sensing hand tool A hand tool which provides an alarm signal to a user as the tool approaches a live electrical wire is disclosed. The hand tool comprises a tool head and coupled to a handle. A non-contact voltage sensing circuit is provided in the handle of the tool. As the tool app... | 11/13/2007 |
| D553027 | Winder | 10/16/2007 |
| 7258382 | Vehicle slide-out operating mechanism The invention provides a vehicle with one or more slide-out sections and a compact operating mechanism for moving each slide-out section between extended and retracted positions. In one form, the vehicle has a primary slide-out section and a secondary slide-out sect... | 08/21/2007 |
| 7258389 | Hydraulic synchronization of slide-out for recreational vehicle A hydraulic synchronization system for a slide-out portion of a recreational vehicle has two cylinders spaced apart and reversed in orientation with respect to one another at opposite sides of the slide-out portion. The bore sides of the cylinders are connected and ... | 08/21/2007 |
| 7252029 | Hydraulic tilting device for tilting the cab of a vehicle A hydraulic tilting device for tilting the cab of a vehicle between a driving position, in which the vehicle can be driven normally, and a tilted position, in which, for example, maintenance can be carried out on a vehicle engine positioned beneath the cab. The tilt... | 08/07/2007 |
| 7234758 | Travel lock for vehicle slide-out A gear operated pivoting travel lock secures a slide-out section of a vehicle in a retracted position. The travel lock includes a gear box, containing two mating worm gears, that mounts to a wall of the slide-out section. The drive gear is mounted at the end of an o... | 06/26/2007 |
| 7229123 | Camper slide-out system A slide-out system for a recreational vehicle has a slide block that is form fit with a sliding connection to a track so as to vertically and laterally support a slide-out room relative to the stationary portion of the vehicle. The room is driven in and out by a rac... | 06/12/2007 |
| D542112 | Tool portion | 05/08/2007 |
| 7204536 | Pivot out room for vehicle A recreational vehicle has pivot out rooms across the hallway from one another, at least partially overlapping from side to side along the length of the vehicle and arranged so that when they are retracted they create a hallway that has generally parallel sides. A t... | 04/17/2007 |
| 7204083 | Hydraulic actuating device for a convertible top assembly of a vehicle A hydraulic actuating device for a convertible top assembly of a motor vehicle. The actuating device comprises a hydraulic pump with an associated electric pump motor and one or more hydraulic actuators, each for driving an associated movable part of the convertible... | 04/17/2007 |
| 7194947 | Hydraulic actuating device A hydraulic actuating device for moving a retractable hard-top of a convertible car. The actuating device comprises a double-acting hydraulic actuator, the first connection of the actuator being in communication with an associated throttling assembly which is design... | 03/27/2007 |
| 7171890 | Telescopic lifting device The invention relates to a telescopic lifting column. The lifting column comprises a plurality of tube bodies which are arranged concentrically inside one another and are axially movable in each case with respect to each other. Furthermore, the lifting column compri... | 02/06/2007 |
| 7144069 | Vehicle, in particular camper, with a hydraulically actuated roof part A hydraulic actuating device for a roof part which is moveable between a closed position and an open position of a vehicle has a first hydraulic actuator and a second hydraulic actuator, which first and second actuators are designed to drive the moveable roof part i... | 12/05/2006 |
| D531469 | Staple gun | 11/07/2006 |
| 7100900 | Non-conductive fish tape A fish tape assembly has a flat tape made of a hybrid composite of electrically non-conductive materials, preferably a fiberglass core surrounded by a nylon jacket. The flat tape has a rectilinear lateral cross-section with its width dimension being greater than its... | 09/05/2006 |
| 7071418 | Cable holder A cable fastener for stacking cables has a base that is positioned against the stud on a lower surface of the base, a spine that extends from the upper surface of the base and arms that extend perpendicularly from the spine and define slots between them. The slots h... | 07/04/2006 |
| 7055637 | Hydraulic tilting device for tilting a vehicle cab, and vehicle provided with tilting device of this type A hydraulic tilting device for tilting a cab of a vehicle between a driving position and a tilted position, which cab is resiliently supported on the chassis of the vehicle. The tilting device includes a reservoir for hydraulic fluid and a pump which is connected to... | 06/06/2006 |
| 7044415 | Fish tape winder insert A winder insert for a fish tape reel fits into a center opening of the fish tape reel and engages an inner periphery of the reel. The insert has an attachment member, which can be a multi-sided socket for example, that is engaged by a removable handle or lever membe... | 05/16/2006 |
| 7025178 | Stabilizing system for orienting and elevating a vehicle An automatic hydraulic stabilizing system for a vehicle automatically extends jacks of the vehicle to achieve a level orientation of the vehicle in an automatic mode or a manual mode. After a level orientation is achieved, the system can be operated to further exten... | 04/11/2006 |
| 6981372 | Hydraulic actuating device for a convertible top assembly of a vehicle A hydraulic actuating device for a convertible top assembly of a motor vehicle. The actuating device comprises a hydraulic pump with an associated electric pump motor and one or more hydraulic actuators, each for driving an associated movable part of the convertible... | 01/03/2006 |
| 6948580 | Hydraulic tilting device for tilting a vehicle cab A hydraulic tilting device for tilting a cab mounted on the chassis of a vehicle between a driving and a tilted position comprises a reservoir for hydraulic fluid, a pump connected to the reservoir, and a double-acting hydraulic tilting cylinder. A lost-motion condu... | 09/27/2005 |
| D508425 | Fish tape reel | 08/16/2005 |
| D507981 | Fish tape handle | 08/02/2005 |
| D506692 | Fish tape reel grip | 06/28/2005 |
| D506400 | Fish tape handle | 06/21/2005 |
| 6899012 | Fluid flow control valve assembly with independent feedback pressure A fluid flow control valve assembly that can be actuated using an electrically operated or pneumatically operated flow control valve includes a valve body having a fluid supply passageway, a fluid exhaust passageway, and a fluid bypass passageway. A pilot operated r... | 05/31/2005 |
| 6848693 | Pseudo four-leg vehicle leveling system with independent leg lock-out A pseudo four-leg leveling system for a vehicle, such as a recreational vehicle or the like, includes four jacks in the form of hydraulic cylinders mounted in pairs at the front and rear of the vehicle. A power system supplies hydraulic fluid to extend and retract t... | 02/01/2005 |
| 6844713 | Compact stud finder A pocket-sized object finder has a compact housing containing a battery, circuitry and a capacitor plate for detecting an object hidden behind a wall. The battery powered circuitry includes multiple signal indicators that illuminate in a serial manner when the objec... | 01/18/2005 |
| 6844819 | Voltage sensing hand tool A hand tool which provides an alarm signal to a user as the tool approaches a live electrical wire is disclosed. The hand tool comprises a conductive tool head and a non-conductive handle. A non-contact voltage sensing circuit is provided in the handle of the tool. ... | 01/18/2005 |
| 6832806 | Hydraulic actuating device, in particular for a convertible-top assembly of a vehicle The present invention relates to a hydraulic actuating device for a device having a first and a second hydraulically moveable component. This actuating device comprises a first and a second hydraulic actuator, respectively, for moving the first and second moveable c... | 12/21/2004 |
| 6812685 | Auto-selecting, auto-ranging contact/noncontact voltage and continuity tester An electrical testing device has non-contact AC voltage sensing, single probe contact AC voltage testing and voltage metering functions. Non-contact voltage sensing is used to detect the vicinity of a live AC conductor and single probe contact sensing is used to det... | 11/02/2004 |