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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8100416 | Utility push cart A utility push cart comprising an elongated frame extending vertically behind a power lawn tool, where the power lawn tool rests against the elongated frame, a top bar attached to a top portion of the elongated frame and protruding horizontally from the elongated fr... | 01/24/2012 |
| 8016300 | Mobile cart having a retractable-wheel base system A mobile cart for carrying a plurality of fluid canisters. The cart includes a platform configured to support the fluid canisters. The cart also includes a base having a base body and a plurality of wheels movably connected to the base body so that the wheels can be... | 09/13/2011 |
| 8006985 | Transporting loads A load-carrying dolly having four wheels (6, 7) adjacent the corners of its platform (1) is rendered immobile by conversion to a pallet-like condition by lowering bearers (9, 10, 11) into contact with the floor or ground (24) and then rai... | 08/30/2011 |
| 7419167 | Sled device A sled device for permitting transportation of a person and cargo over a variety of surfaces includes a sled including a bottom wall and a perimeter wall that extends upwardly from the bottom wall to define a receiving space of the sled to receive the person and car... | 09/02/2008 |
| 7407187 | Two-wheeled vehicle and chassis braking system A chassis braking system for braking a chassis includes a braking unit including a braking surface biased toward a road surface on which the chassis runs and having a first state where movement of the braking surface toward the road surface is locked and a second st... | 08/05/2008 |
| 7360784 | Multifunctional mobile storage and delivery system A reconfigurable, transportable container assembly is provided. Side panels are releasably interconnected with each other and combine with a base panel, and a top panel releasably mates with the side panels. The top panel is combined with the side panels and the bas... | 04/22/2008 |
| 6997466 | Mobile base A mobile base includes a main body having a first side formed with two first foot portions and a second side formed with two second foot portions, two fixing rollers each mounted on a respective first foot portion, an adjusting plate mounted between the second foot ... | 02/14/2006 |
| 6824147 | Convertible ski-supported vehicle Universal wheel unit for mounting one or more wheels on the ski of a snowmobile. The wheel unit is a separate assembly that is detachably mountable on the ski or is an integral component of the ski. When retrofitting skis, the wheel unit is mountable on the kingping... | 11/30/2004 |
| 6561528 | Wheeled device Wheeled device with at least one running wheel, a frame and connecting parts on the frame, the connecting parts engaging at least one coiled, collapsed, folded or differently shortened elongated, flexible, preferably string- or tube-like object, such as w... | 05/13/2003 |
| 6527282 | Convertible ski-supported vehicle Wheel unit to be semi-permanently mounted on the ski of a snowmobile. Wheels are readily deployable or retractable as conditions require. The wheel unit allows the snowmobile to be driven over gravel, dirt, and hardtop surfaces, without losing its ability... | 03/04/2003 |
| 6473921 | Brake assembly for a bed A bed resting on a floor includes a base frame, a plurality of casters coupled to the base frame and configured to engage the floor, a first brake coupled to the base frame, a foot pedal actuator movable between a first position and a second position, and... | 11/05/2002 |
| 6471220 | Cart and stand for supporting and transporting metal working apparatus A combined cart and stand comprising a base for supporting a power driven threading machine and having a pair of wheels for supporting the base and machine for rolling movement along an underlying surface. Three legs are interconnected with the base for d... | 10/29/2002 |
| 6273435 | Trailer with non-tilting movable bed A trailer for use in transporting a load from one area to another area has a frame and a bed operatively mounted to the frame which is capable of being moved from a first or lowered position to a second or elevated position in a substantially vertical man... | 08/14/2001 |
| 6227553 | Attachment assembly for use on flat roofs An attachment assembly provides a secure attachment point for the fall arrest tether lines of safety harnesses of workers on flat roofs, the assembly being movable over the roof as required. The assembly can be used alone, but usually is mounted on a whee... | 05/08/2001 |
| 6217044 | Steerable and retractable wheels for multi-purpose carriage Wheel assemblies for attachment to a carriage or a vehicle. The wheel assemblies can be configured for four wheel steering, locked in predetermined directions, or free pivoting. The wheel assemblies further include an apparatus for retracting and extendin... | 04/17/2001 |
| 6164697 | Detachable cleat for use with stabilizers A cleat that increases the adhesive friction between a base pad of a stabilizer and an unstable ground surface, for inhibiting the base pad from inadvertently moving relative to the unstable ground surface is provided. The cleat inhibits the stabilizer an... | 12/26/2000 |
| 6149168 | Wheeled tool case A carrier for tools and the like has a base normally adapted to sit on a floor surface, a frame extending upward from the base, and a hollow case adapted to hold the tools and having bottom, top, and side walls displaceable on the frame between a lower po... | 11/21/2000 |
| 6042122 | Convertible sled arrangement for coolers A convertible sled arrangement 10 for transporting a cooler 100 to and from a beach wherein the arrangement includes a framework unit 11 dimensioned to receive and support a cooler 100 relative to a pair of runner members 30 operatively associated with th... | 03/28/2000 |
| 5630600 | Shopping cart brake A restraining device for preventing undesireable motion of a manually propelled cart, or a shopping cart brake, in accordance with the present invention generally includes a frame, a brake foot mounted thereto, and a counterweight for balancing the brake ... | 05/20/1997 |
| 5628522 | Footed cart having normally disengaged wheels A cart includes a frame, a leg attached to the frame, and a wheel movable relative to the frame. A handle is operatively associated with the wheel and with the frame, whereby the work surface is in a normally stationary, inoperative position, and positive... | 05/13/1997 |
| 5615451 | Roller assembly lift mechanism A stage or other structure having support legs includes rollers which are mounted so as to be supporting the stage in a first position and having the stage legs support the stage in a second position. A lift mechanism includes actuating pedals near the gr... | 04/01/1997 |
| 5586622 | Brake of a baby's walker This invention is a brake for a baby's walker. The brake's friction with the floor is increased by a slide-resisting piece attached to the braking support. It prevents the walker from sliding when the brake is against the ground. The supporting pole of th... | 12/24/1996 |
| 5568933 | Foldable wheelchair A wheelchair is made up of a pair of parallel main frames connected to each other on the rear side via a detachable back supporter and on the front side via footplates foldable along a center hinge extending in the longitudinal direction. Large wheels and... | 10/29/1996 |
| 5474311 | Vehicle bench seat retractable wheel carriage A right and left hand retractable wheel carriage for a removable vehicle bench seat opposite end latching mechanism. Each carriage includes mounting brackets, caster brackets interconnected by a link, associated casters, and a suitable spring for urging t... | 12/12/1995 |
| 5366231 | Movable base for a baby walker A movable base for a baby walker includes a looped base frame, a number of casters, a corresponding number of compression spring members and a plurality of suction cup units. The base frame has a horizontal ring portion with an outer peripheral edge and a... | 11/22/1994 |
| 5031276 | Drain cleaning machine A drain cleaning machine is disclosed which is of the character comprising a frame supporting a rotatable drum which is driven by a motor through an endless belt. The drum contains a flexible drain cleaning snake which is rotatable with the drum and axial... | 07/16/1991 |
| 4991895 | Livestock shelter and baled hay rack A generally rectangular elongated horizontally disposed open frame having a base frame, upright studs, joists and rafter members form an overhead round hay bale rack for supporting hay bales. One side of the frame is closed by panel members to form a wind... | 02/12/1991 |
| 4940110 | Mobile work unit with raisable and lowerable support legs A mobile work unit (1) having raisable and lowerable support legs (4, 4'), which adjacent to one end portion are arranged pivotally attached to the work unit (1), and which during a pivoting movement can take up contact with a below located ground plane (... | 07/10/1990 |
| 4886285 | Transporter with wheels Underneath a load, on both sides, there are several transporter frames with transporter blocks for wheels. The wheels travel on tracks or rails, on which they are guided with wheel flanges or guide rollers. Each transporter frame has a vertical, U-shaped ... | 12/12/1989 |
| 4878680 | Stroller car seat A convertible car seat and stroller combination is set forth wherein the invention provides a car seat in a first position of a rearwardly oriented handle and a stroller when the handle is telescopingly extended from within supporting tubes to operate a c... | 11/07/1989 |
| 4639005 | Carriage apparatus for saw tables A dolly used to support and transport a table saw or other tool and including a support table, wherein the dolly includes a low-lying, flat, frame structure having a front crossbar and a centrally disposed truss beam. A pair of wheels is mounted to the en... | 01/27/1987 |
| 4555827 | Convertible cabinet support The present invention relates to a retractable undercarriage formed preferably by three supporting members, two of which are leg members and the third a wheel member. The support members are moved to either move the leg members into supporting position an... | 12/03/1985 |
| 4190129 | Air cushion bumper cars A vehicle supported by an air cushion comprises three wheels arranged along a longitudinal axis of a chassis. The front and rear wheels can pivot through 360° and are always driven in the same direction. The center wheel has a fixed axle and is idler-mou... | 02/26/1980 |
| 4143826 | Coil unwinder A coil unwinding apparatus is provided and comprises a housing which rotatably supports a plate which carries the coil. A motor is contained within the housing which rotatably drives the plate while guide members secured to the housing guide the thread as... | 03/13/1979 |
