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| Number | Title | Issue Date |
| 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 |
| 7364170 | Wheel ski mount A wheeled cart, such as a shopping cart, has ski elements on the wheels thereof. The ski elements can be moved between stored and use positions. ... | 04/29/2008 |
| 7324133 | Method and apparatus for controlled camera useability A programmable digital camera requiring a programming password to be entered to access the camera's programmability. The camera further includes programming so as to allow the camera to be operated only for a specified time interval, after which the camera becomes i... | 01/29/2008 |
| 7121560 | Ski assembly for a stroller A ski assembly for a stroller for allowing more proficient movement through snow includes a ski attachment for a stroller assembly having a chair portion, a back portion, a plurality of wheels is attached to the chair portion. The attachment includes a leg having an... | 10/17/2006 |
| 7021636 | Convertible coaster/sled with steering/braking handlebar A typically one-rider non-powered sports/recreational vehicle has a main body that can be easily converted between a wheeled coaster-wagon configuration and a snow-sled configuration with runners. Typically there are four wheels or four runners: two at front, steera... | 04/04/2006 |
| 6682082 | Removable bidirectional skis for trailers and the like A wide ski-like apparatus is provided that can be easily and quickly attached to the axle, or axles, of the larger sized icehouses and trailers in common use today. This is accomplished by the use of a ski-like apparatus that is attached to a wheel rim th... | 01/27/2004 |
| 6236727 | Apparatus, method and computer program product for protecting copyright data within a computer system Apparatus, method and computer program product are provided for digitally processing an encrypted data stream scrambled, for example, according to content scrambling system (CSS) technology. This digital processing insures against communication of clear d... | 05/22/2001 |
| 5911422 | Recreational wheeled accessory carrier A wheeled carrier suitable for carrying diverse articles on sandy terrain. The carrier has a body forming an upwardly open principal cargo receptacle, a closed second receptacle, upwardly oriented openings for carrying cups, horizontally disposed tubular ... | 06/15/1999 |
| 5441285 | Sled attachment for a conventional carrying cart A skid attachment for a carrying cart has an arcuate cross-section engageable with a pair of wheels at the front of the cart, and is held in position by the engagement of an edge of the attachment with the underside of the frame of the cart as forward mot... | 08/15/1995 |
| 5407217 | Detachable ski assembly for child's pushchair Each of the pair of elongated skis circumscribe a pair of upwardly facing wheel-engaging wells at opposite fore and aft ends thereof, for receiving and containing a pair of fore and aft registering wheels from both axles of a two axle pushchair. A pair of... | 04/18/1995 |
| 5265892 | Folding cart chair The flexible cargo container of this cart partially deflects inside-out as the cart truss supporting it changes orientation pivoting on wheels rotatably mounted at the aft lower extremity of downwardly projecting support struts to serve as a chair. Leg su... | 11/30/1993 |
| 4687447 | All terrain conversion system for three-wheeled vehicles Structurally integrated equipment is selectively, individually or conjointly detachably attachable to a three-wheeled vehicle for preventing rearward tipover, carrying cargo, rendering the vehicle waterborne, enhancing travel over snow or providing power ... | 08/18/1987 |
| 4589668 | Wheeled cart with removable skis A cart for use on a bare surface or a snow covered surface provided with a pair of wheels journaled at opposite ends of an axle to engage the bare surface and a pair of depending skis pivotally mounted between the wheels on the axle for engaging a snow co... | 05/20/1986 |
| 4251085 | Snow runners for shopping cart A shopping cart for carrying groceries between a store and a persons home, and which includes snow runners which are movable between a stored away and utility positions so that in normal use the cart rides upon its wheels, and during winter snow and ice i... | 02/17/1981 |
| 4163564 | Shopping cart skis A shopping cart having wheels is also provided with an attachment having skis allowing the same to be pulled over snow or other soft surfaces. The attachment comprises a pair of skis movable between a sliding position and a stowed position whereby the sho... | 08/07/1979 |
