William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7540560 | Highchair helper improvements Detachable bottle and food holding subtrays, clips and support attachments for juvenile chairs such as highchairs, strollers, booster chairs, car seats and activity chairs. The clips can be a snapable C-shape, use a screwable post or a spring biased post for attachm... | 06/02/2009 |
| 7419210 | High chair A high chair features various modes of adjustability and enhanced utility. The height of the chair can be adjusted using a single hand that engages a rear handle. The height of a seat platform of the chair can be adjusted separately relative to the tray. The tray it... | 09/02/2008 |
| 7393050 | Foldable structure of highchair Disclosed is a foldable structure of highchair, the structure includes a slidable folding sleeve arranged at a rear leg and provided with a locking block; the locking block locks with a locking portion of a linking rod connected between the rear leg and seat so as t... | 07/01/2008 |
| 7300103 | Child booster with spillproof tray An apparatus for use in conjunction with feeding infants and toddlers. The apparatus is a two-part tool that combines a booster seat along with a spill-proof food tray that is removed and placed onto an adjacent table surface. The booster seat includes a small stora... | 11/27/2007 |
| 7261370 | High chair apparatus A high chair apparatus includes a chair that includes a pair of arm rails. A tray has an inner edge and an outer edge. Couples attached to the tray are adapted for removably coupling the tray to the arm rails. A plate has a same size and shape as the tray. A transpa... | 08/28/2007 |
| 7243447 | Ironing board expansion platform The present invention relates to a platform assembly and method that expands the surface area of a conventional ironing board. The platform assembly covers a converging end of an ironing board and expands the surface area of the ironing board. The platform assembly ... | 07/17/2007 |
| 7229083 | Stroller on which basket can be mounted A stroller includes a stroller body and a basket support mechanism. The stroller body has two front legs, two rear legs, a handle, and a seat support part. The basket support mechanism has a basket support member disposed below the rear legs of the stroller body, an... | 06/12/2007 |
| 7210737 | Feeding chair apparatus A feeding chair or highchair apparatus having a first seat assembly for an infant or child and a second seat assembly for an adult or caregiver connected to and housed inside and preferably under the first seat assembly when not in use. In one embodiment, the adult ... | 05/01/2007 |
| 7185949 | Highchair A highchair includes a seat attached to a frame having a first periphery defining a first footprint of the frame. Wheels are attached to the frame adjacent to the first periphery for providing wheeled movement of the frame over a surface. The first periphery of the ... | 03/06/2007 |
| 7134714 | Highchair helper improvements Detachable bottle and food holding subtrays, clips and support attachments for juvenile chairs such as highchairs, strollers, booster chairs, car seats and activity chairs. The clips can be a snapable C-shape, use a screwable post or a spring biased post for attachm... | 11/14/2006 |
| 7131688 | Adjustable armchair mouse tray The present invention discloses a multi-functional adjustable mouse tray that mounts on the arm of a chair to provide a comfortably accessible work surface to support and use a computer mouse and other devices. The adjustable tray is easily mounted to either arm of ... | 11/07/2006 |
| 7066542 | Child high chair with an inclination adjustable backrest A child high chair includes a seat body disposed between two side guarding members on an upper portion of a support leg, a backrest unit having two lateral ends pivotally coupled to the side guarding members to be turnable relative thereto, two bolts disposed movabl... | 06/27/2006 |
| 7011363 | Highchair helper improvements Detachable bottle and food holding subtrays, clips and support attachments for juvenile chairs such as highchairs, strollers, booster chairs, car seats and activity chairs. The clips can be a snapable C-shape, use a screwable post or a spring biased post for attachm... | 03/14/2006 |
| 6932426 | Tray system for a seat apparatus A tray system for a seat apparatus comprising a first body configured as a tray and coupled to the seat apparatus. A second body having a top side is movably coupled to the bottom side of the first body. The second body moves to a position under at least a portion o... | 08/23/2005 |
| 6854800 | Rocking high-chair for children A children's high chair comprises a supporting frame (11,111) for a high chair (12,112) for receiving the child. The frame (11,111) comprises in turn a pair of legs (14,15) openable compasswise and with lower ends (19,119) for rest... | 02/15/2005 |
| 6773060 | Arm chair mounted keyboard support apparatus A chair arm-mounted tray apparatus for mounting on arms of a chair for supporting an item includes an item support deck for supporting an item; and a deck support frame fastened to the support deck, the deck support frame including a chair arm engaging structure for... | 08/10/2004 |
| 6746075 | Adjustable serving tray An adjustable serving tray mainly includes an anchor apparatus located on armrests at two sides of a stroller. Each armrest has an inner side with a retaining flute formed thereon. The serving tray has coupling sections on two sides, each with an anchor trough and a... | 06/08/2004 |
| 6692070 | Food tray adjustment structure for high chair A food tray adjustment structure for a high chair to adjust the position of the food tray to suit children of different sizes includes a handle with longitudinal sections at two sides to form a biased sliding rail with a skew angle to couple with sliding ... | 02/17/2004 |
| 6422646 | Keyboard support A support adapted to cooperate with a pedestal type chair for holding a keyboard at an optimal operating position for a user seated in said chair, said support including a clamp adapted for retrofittable attachment to the stem of a pedestal chair, a first... | 07/23/2002 |
| 6419312 | Incrementally slidable high chair tray with quick release A tray apparatus for a high chair wherein the tray apparatus includes a tray that is incrementally slideable to a multiple number of positions. The sliding is controlled by a hand operated knob disposed on an outer edge of the tray, a location of convenie... | 07/16/2002 |
| 6416124 | Highchair with horizontally adjustable tray A highchair has a horizontally adjustable tray. It includes: (a) a pair of supports on opposed sides of the highchair each having a plurality of studs on an inside surface thereof; (b) a tray movably coupled between the supports including two underlying e... | 07/09/2002 |
| 6354658 | Arm chair mounted keyboard support apparatus A chair arm-mounted tray apparatus for mounting on chair arms of a chair having a chair seat, for supporting an item includes an item support deck for supporting an item; and a deck support frame fastened to the support deck, the deck support frame having... | 03/12/2002 |
| 6024412 | Tray assembly with crotch post A tray assembly comprises a tray, a crotch post, and a pivot post interconnecting the tray and the crotch post. The pivot post defines a fixed axis to enable pivotal movement of the crotch post about the fixed axis between an extended position wherein the... | 02/15/2000 |
| 5895365 | Massaging bedrest cushion A new massaging bedrest cushion for providing a vibrating back massage as well as other conveniences. The inventive device includes a back portion having a contoured forward surface and a planar rear surface. The back portion includes a padded interior. T... | 04/20/1999 |
| 5558391 | Tray with removable object supporting insert A tray (10) for removably supporting useful objects such that the objects are stationary in order to facilitate their use by disabled persons. The tray (10) includes a tray body (12) defining an upper work surface (14), and defining at least one opening (... | 09/24/1996 |
| 5527090 | Child seat tray assembly A seat tray assembly is provided for use with a high chair. The seat tray assembly includes a tray bottom formed for engagement with and extension between arms of the chair and a tray top mounted on the tray bottom for sliding movement relative to and abo... | 06/18/1996 |
| 5507550 | Highchair A highchair for an infant or toddler includes a seat element, a frame assembly for supporting the seat element on a supporting surface, and a feeding tray assembly on the seat element. The feeding tray assembly includes a center support and retaining post... | 04/16/1996 |
| 5238292 | Highchair with adjustable seat A highchair is provided including a tray portion which may be adjusted horizontally relative to a seat portion of the chair. In addition, a seat may be adjusted vertically whereby the highchair may be used adjacent to tables of various heights. The chair ... | 08/24/1993 |
| 5087097 | High chair tray attachment A detachable tray apparatus (20, 120) for a high chair (21) having a pair of spaced arm rails (30, 31) including, a tray body (40, 40') providing a substantially planar surface (41) spanning the distance between the pair of spaced upper arm rails, and a p... | 02/11/1992 |
| 5050929 | Auxiliary furniture tray system An auxiliary furniture tray system for hidden installation in conventional furniture can be quickly moved between a hidden, rest position and an adjustable, deployable orientation. The system is mounted within the arm or arm rest. The frame comprises a pa... | 09/24/1991 |
| 4852940 | Stowable table system A support system for a stowable table is described in which the need for separate hinge mechanisms to accommodate pivotal movement of the table in the principle planes of its movement is obviated by means of a single, spherical hinge arrangement permittin... | 08/01/1989 |
| 4842331 | Highchair with adjustable removable tray for one-hand operation A highchair and a companion tray have first and second latch means movable among three positions, a first position in which the tray may be completely removed from the chair, a second position in which the tray may be moved forward and backward, and a thi... | 06/27/1989 |
| 4779883 | Wheelchair infant carrier accessory This device is designed to fasten an infant car seat to the arms of a wheelchair. Primarily, it consists of a pair of rails that slide onto the arms of the wheelchair, and bars secured to the rails are provided with clamps that engage with and hold the ro... | 10/25/1988 |
| 4767159 | Chair having supporting member for the posterior and the shins, respectively, of a chair occupant A chair having supporting members for the seat and the shins, respectively, of a chair occupant, said supporting member being mechanically interconnected. A frame part (3; 25) interconnects the two supporting members (1, 2) and a supporting column (10) ex... | 08/30/1988 |
| 4723813 | Table attaching construction for nursing chairs A table attaching construction for nursing chairs has longitudinally extending right- and left-hand table support frames, a table disposed on these table support frames, and right- and left-hand operating levers. The right- and left-hand operating levers ... | 02/09/1988 |
| 4671574 | Construction for attaching safety guard for child's auxiliary seat for automobiles A construction for attaching a safety guard for a child's auxiliary seat for automobiles comprises a pair of handrails, and a safety guard adapted to be slid on the handrails in the longitudinal direction. The safety guard is provided at its right- and le... | 06/09/1987 |
| 4449750 | Accessories for wheelchairs and the like Container accessories are configured for removable securement to mobility aids such as walkers, wheelchairs or the like with tubular frame members. Each accessory includes a framework and panel members supported by the framework to define at least one com... | 05/22/1984 |
| 4373756 | Wheelchair tray assembly A wheelchair tray assembly is provided which includes spring biased hook elements to secure a tray to the arms of a wheelchair. The tray is mounted to tray supports which permit movement of the tray perpendicular to the direction of movement of the hook e... | 02/15/1983 |
| 4105247 | High chair with tray fastening A high chair is provided having tubular metal arms of special configuration and with spaced grooves for locking a tray, the tray having resiliently urged locking hooks for engagement below the arms in a plurality of positions by one or the other of double... | 08/08/1978 |