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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| D631403 | Vertical axle tube with spacer | 01/25/2011 |
| 7857394 | Wheelchair seat back with two-point mounting hardware Wheelchair seat back mounting hardware permits the seat back to be mounted on various wheelchairs. The mounting hardware may be in the form of two-point mounting hardware that connects the seat back to the wheelchair and permits the seat back height to be adjusted i... | 12/28/2010 |
| 7614704 | Wheelchair seat cushion A wheelchair seat cushion has multi-density regions. The cushion assembly may have a region having a stiffer, higher density proximate the front of the seat cushion assembly beneath the user's thighs to assist the user in exiting the wheelchair. Alternatively, or ad... | 11/10/2009 |
| 7566044 | Coupling A coupling having, among other things, a body including a valve movable from a first position to a second position. The valve has an oxygen passageway in communication with a first inlet for a flow of oxygen to the oxygen passageway when the valve is in the first po... | 07/28/2009 |
| 7550031 | Cylinder filling oxygen concentrator An energy efficient oxygen concentrator for filling high pressure portable cylinders with medical oxygen for use by ambulatory patients. Two compressors provide two pressurized air sources, one for operating an oxygen concentrator to provide a stream of oxygen enric... | 06/23/2009 |
| 7445663 | Energy efficient oxygen concentrator An energy efficient oxygen concentrator in which a compressor applies pressurized air to at least two gas separating elements which will pass a flow of oxygen while blocking a flow of nitrogen. The gas separating elements are alternately cycled between a gas separat... | 11/04/2008 |
| 7377588 | Backrest with splined mount A seating system comprises a mount for securing a backrest to a frame. The mount comprises two or more mating members. At least one of the mating members has a generally curved radial surface that is engageable with the other mating members to lock together the back... | 05/27/2008 |
| 7360781 | Foldable wheelchair and axle plate therefor A foldable wheelchair comprises a substantially horizontally extending upper side frame member. An upper end of an axle plate is secured to the upper side frame member. An axle housing is secured to the axle plate. A cross brace is pivotally secured directly to the ... | 04/22/2008 |
| 7353566 | Adjustable wheel assembly An improved wheel assembly comprises a caster fork, a caster wheel rotatably supported by the caster fork, and a caster swivel post defining an axis about which the caster fork rotates. The caster swivel post is being adapted to rotate about a pivot axis within a cy... | 04/08/2008 |
| 7310776 | Control system with customizable menu structure for personal mobility vehicle A control system for a personal mobility vehicle has a menu structure that can be ordered so that commonly used areas of the menu are grouped together, thus avoiding the need to frequently navigate through seldom-used portions of a standard menu structure. ... | 12/18/2007 |
| 7249777 | Camber tube level A level on a wheelchair allows the cambered rear wheels to be easily adjusted to eliminate toe-in/toe-out. The level comprises a ball encased in a curved track. The curve track is formed in a clear housing that mounts to the underside of a wheelchair camber tube or ... | 07/31/2007 |
| 7249773 | Angle adjustable camber An angle adjustable camber assembly is adapted to support the wheel of a wheelchair having a seat, the rear of which is at a given rear seat height. The assembly comprises a movable member for supporting the wheel. The movable member is adapted to translate and rota... | 07/31/2007 |
| 7231689 | Adjustable wheel assembly An improved wheel assembly comprises a caster swivel post that is adapted to pivot about a pivot axis transverse to the caster swivel post. A caster fork is supported for rotation relative to the caster swivel post and rotatably supports a caster wheel. The caster s... | 06/19/2007 |
| 7222881 | Stop for an anti-tip wheel for a wheelchair An adjustable anti-tip stop for a wheelchair is disclosed. ... | 05/29/2007 |
| 7219670 | Method for securing a nasal mask A nasal mask for applying pressurized gas to a user's respiratory system. The mask includes an inflatable seal which is at least partially filled with a soft open cell foam. The seal includes a manual pump and a pressure release valve for inflating and deflating the... | 05/22/2007 |
| 7159181 | Control system with customizable menu structure for personal mobility vehicle A wheelchair assembly comprises a wheelchair. A plurality of modules is provided on the wheelchair. An input device is provided on the wheelchair. A controller includes a display having a displayed menu. The controller is responsive to the input device for selective... | 01/02/2007 |
| 7150058 | Assist handle assembly for beds An assist handle can easily be retrofit to the sleep surface frame of an existing articulating bed. The handle comprises an assist handle, a handle mount that is adapted to be supported by the bed for supporting the assist handle for movement relative to the bed, an... | 12/19/2006 |
| 7146666 | Seat cushion and method for carrying pressure-distributing medium in a seat cushion A seat cushion includes a cushion base, a pressure-distributing medium, and a cover. The base supports the pressure-distributing medium. The cover has a pocket for receiving the pressure-distributing medium and covers the base and the pressure-distributing medium th... | 12/12/2006 |
| 7113854 | Personal mobility vehicle control system with input functions programmably mapped to output functions An electronic control system has the ability to programmably assign or map various input functions to different output functions. This allows for a much greater degree of customization of the control system for an individual user and allows inputs to be matched to d... | 09/26/2006 |
| 7044130 | Adjustable nasal mask A nasal mask for applying pressurized gas to a user's respiratory system. The mask includes an inflatable seal which is at least partially filled with a soft open cell foam. The seal includes a manual pump and a pressure release valve for inflating and deflating the... | 05/16/2006 |
| 7021640 | Wheelchair and wheel mounting assembly therefore An improved adjustable wheel mounting assembly comprises a connecting member and a wheel-mounting member. The connecting member extends generally upwardly and downwardly between wheelchair frame members and is adapted to be secured thereto. The wheel-mounting member... | 04/04/2006 |
| 7007965 | Center-of-gravity tilt-in-space wheelchair A center-of-gravity tilt-in-space wheelchair includes a base, a seat for supporting an occupant, and tracks supporting the seat for selective seat movement relative to the base. Wheels are adapted to support the base relative to a supporting surface. The tracks serv... | 03/07/2006 |
| 6976699 | Coordinated articulation of wheelchair members A wheelchair has a primary articulated member and at least one secondary articulated member, a primary sensor for detecting the position of the primary member, a secondary sensor for detecting the position of the secondary member, and a controller capable of articul... | 12/20/2005 |
| 6974194 | Wheel mount assembly A wheel mount assembly adapted for use in securing a camber tube to a wheelchair frame comprises an axle plate, at least one axially displaceable member adapted to be fixed in relation to the axle plate, and at least one radially displaceable member adjacent the axi... | 12/13/2005 |
| 6944910 | Caster wheel assembly with anti-flutter control A caster wheel assembly for a wheeled device, such as a wheelchair, includes a housing suitable for connection to a wheeled device, a caster fork configured to mount a caster wheel for rotation, and a caster bolt connected to the caster fork and inserted into the ho... | 09/20/2005 |
| 6932369 | Wheelchair and structural elements therefore An assembly comprises an elongate member and a receiving member. The elongate member has an external cross-sectional shape which is substantially square and has corners replaced by circumferentially spaced circular portions of a circumscribing circle with flat porti... | 08/23/2005 |
| 6715783 | Stroller and stroller base with height adjustment capability A stroller and a stroller base suitable for use with handicapped children. A seat assembly is removably attached to a stroller base for adjustment between upright and tilted positions. The stroller base has an adjustable height mechanism for positioning the seat ass... | 04/06/2004 |
| 6715784 | Method programming and operating a wheelchair having tilt and recline functions A method of operating a wheelchair during an un-recline process involves a wheelchair having tilt and recline functions, the wheelchair including a seat frame, a tilt actuator for tilting the seat frame, a back frame, a recline actuator for reclining the back frame.... | 04/06/2004 |
| 6688571 | Adjustable joystick support and wheelchair therewith A support comprises a first support member formed for mounting to a wheelchair frame. A second support member is formed to carry a joystick. A pair of bars has first ends and second ends. The first ends are pivotally mounted to the first support member at... | 02/10/2004 |
| 6688693 | Seat back assembly A seat back assembly for connecting a seat back shell to the seat back tubes of a wheelchair comprises a shell, upper and lower shell connectors, and upper and lower side plate portions. The lower shell connector is mounted to a lower portion of the shell... | 02/10/2004 |
| 6601271 | System for mounting a wheel on a bed A wheel mounting system is comprised of a bearing that is adapted to be positioned between a wheel and the foot tube of a bed. The bearing is comprised of two halve split bearings that are adapted to be fit together to make the complete bearing. The split... | 08/05/2003 |
| 6588792 | Method of programming and operating tilt and recline functions in a wheelchair A method of operating a wheelchair during an un-recline process, where the wheelchair includes a seat frame and a back frame, includes positioning the wheelchair user in the wheelchair with the back frame reclined, and rotating the seat frame of the wheel... | 07/08/2003 |
| 6578216 | Toroidal shaped bed construction A bed construction wherein a sleep surface has at least one toroidal shaped section, a toroidal shaped main frame supporting the sleep surface, and a pair of opposing toroidal shaped legs supporting the main frame.... | 06/17/2003 |
| 6547206 | Seat suspension for wheelchair A wheelchair seat suspension comprises at least one substantially horizontally, disposed elongate spring. The spring is adapted to be supported by the wheelchair frame. At least a portion of the spring is adapted to support at least a portion of the seat.... | 04/15/2003 |
| 6520526 | Wheel lock for a wheelchair A wheel lock for a wheelchair, where the wheelchair has a rear drive wheel, includes a housing adapted to be mounted on the wheelchair. The housing has two pivot points spaced apart in a forward/rearward direction. A wheel contact arm has a pivot shaft pi... | 02/18/2003 |
| 6520594 | Axle plate for a wheelchair and wheelchair therewith A axle mounting plate comprises a main body portion. A first coupling extends from the main body portion. A second coupling extends from the main body portion. The first and second couplings each defines a generally C-shaped saddle. The saddles are genera... | 02/18/2003 |
| 6519794 | Side rail, side rail kinematic, and lock lever and lock pin for side rail A side rail comprises a main body and a pair of lever arms. A first lever arm has an upper end movably supported relative to the main body by an upper pivot pin and a lower end movably attached to the bed by a lower pivot pin. A second lever arm has an up... | 02/18/2003 |
| 6499756 | Footrest assembly and wheelchair therewith A footrest assembly is comprised of an extension tube and a mounting assembly for mounting the extension tube to a wheelchair frame. The mounting assembly comprises means for pivotally mounting an upper end of the extension tube to the wheelchair frame. A... | 12/31/2002 |
| 6473922 | Kinematic motion of articulated bed An articulated bed comprises a main frame supported by a leg tube. An upper portion of the leg tube is longitudinally and pivotally displaceable relative to the main frame at an upper movable pivot point. A lower portion of a stabilizer is connected to a ... | 11/05/2002 |
| 6474869 | Bushing A bushing comprising a main body that is adapted to be supported by the first member. The main body is comprised of a rigid layer and one or more other layers supported by the rigid layer. One of the layers defines an axial bore that is adapted to receive... | 11/05/2002 |
