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| Number | Title | Issue Date |
| 7896113 | Police robotic system A robotic system adapted to deploy from a police vehicle for inspecting a suspect vehicle has a robot unit and a carrier unit. The robot unit includes a robot base having a drive system responsive to a control unit having a robot transceiver, and a camera operably m... | 03/01/2011 |
| 7849942 | Deep water amphibious vehicle A vehicle is adapted to operate on land and in water having a depth of over four feet. The vehicle includes a chassis, one or more pontoons supported by the chassis, and a track system disposed on each of the one or more pontoons and adapted to provide propulsion to... | 12/14/2010 |
| 7389846 | Personal all terrain vehicle A personal all-terrain vehicle is provided which is suitable for driving between rows of a vineyard for trimming vines. The vehicle includes a frame and an engine. A driver seat of the vehicle is positioned at an end of the frame beyond the wheels of the vehicle in ... | 06/24/2008 |
| 7207403 | Transportable power wheelchair A transportable power wheelchair is provided which employs a variety of detachable modules to facilitate transportation and storage. The wheelchair may be readily disassembled/reassembled by a single individual without assistance and/or the need for special tools. T... | 04/24/2007 |
| 7014204 | Rocking wheelchair A rocking wheelchair is provided with multiple adjustable features to meet various needs of different users with respect to safety, comfortableness and user/caregiver convenience. The rocking wheelchair includes an adjustable maximum rocking motion setting for users... | 03/21/2006 |
| 6890042 | Crawler traveling apparatus A crawler traveling apparatus includes a rubber crawler belt having a plurality of driving projections formed with a predetermined peripheral pitch on an inner peripheral face of the belt, a drive wheel rotatable when engaged with the driving projections of the craw... | 05/10/2005 |
| 6696122 | Temporary surface covering A temporary surface covering with a woven structure formed of warp threads and weft threads and whose weave is such that each warp thread intersects or intertwines with the following weft threads, and a second auxiliary woven structure being superposed ha... | 02/24/2004 |
| 4813466 | Support track for a wheeled vehicle An improved support track assembly for both protecting and improving the flotation and mobility of the resilient wheels of a vehicle is disclosed herein that comprises both a manually operable retention assembly for fastening the track into an endless bel... | 03/21/1989 |
| 4534431 | Supporting feeder assembly for material handling machines A supporting feeder assembly for material handling machines primarily for use on soft ground when the material handling machine fastens. The feeder assembly comprises an elongate beam unit secured to the implement mount of the material handling machine di... | 08/13/1985 |
| 4380135 | Four wheel drive toy A four wheel drive toy includes a drive mechanism and two pairs of elongated movable track portions mounted on a frame, each pair of track portions including a follower gear driven through an independent gear train from the drive mechanism. An interior su... | 04/19/1983 |
| 4351380 | Track belt assembly The track belt assembly of the present invention comprises a plurality of shoes spaced about the periphery of a load-supporting structure. A reinforcing belt structure is disposed on the side of the shoe opposite the ground-engaging side thereof. Each sho... | 09/28/1982 |
| 4323260 | Folding chair and cart A folding chair and cart structure having an upright frame and a transverse member pivoted thereto, one end of the transverse frame forming a seat portion and the other end extending beyond the upright frame and carrying a pair of wheels, a sheet of canva... | 04/06/1982 |
| 4042066 | Portable emergency fire fighting and rescue elevator A portable emergency fire fighting rescue and evacuation elevator for high rise buildings having roofs previously equipped with inverted L shaped hook structures, the elevator being comprised of a portable self contained elevator prime mover structure and... | 08/16/1977 |
| 3976152 | Wheelchair having pivotable ramp for climbing curbs A wheelchair provided with pivotable ramps to enable curb-climbing which is provided with means to enable it to mount curbs. The wheelchair comprises three or more wheels and at least one pivotally mounted arm on which a ramp member is itself pivotally mo... | 08/24/1976 |
