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 |
| 7451493 | Knee pad construction A knee pad construction includes a shaped cushion element with a concave interior with a recess having a flowable gel insert therein. The recess and insert are shaped to accommodate the left knee or the right knee of an individual. ... | 11/18/2008 |
| 7451494 | Protective bib for use by a traveler A protective bib for safeguarding clothing of a user from spills, stains, or burns, while eating, drinking, or smoking while traveling in a vehicle, train, plane, bus, boat, or other mode of transportation having or not having a diagonally extending seat belt. The p... | 11/18/2008 |
| 7451495 | Combined garment and safety harness A combined garment and safety harness is disclosed that comprises a garment portion and a harness portion. The garment portion comprises a back torso portion and a front torso portion and has left and right arm openings, left and right leg openings, and a neck openi... | 11/18/2008 |
| 7451496 | Glove with flow-through pocket A glove having a heat insulating barrier is disclosed. The heat insulating barrier is removably inserted into a zippered pocket or a weblike pouch, the pocket or pouch being positioned proximate the back of a user's hand. the heat insulating barrier acts to selectiv... | 11/18/2008 |
| 7451497 | Protective handwear A protective glove having a protective function against toxic chemical agents, especially chemical warfare agents, and a multilayer construction including a breathable layer is disclosed. The glove has a support layer and a barrier layer, which is assigned to the su... | 11/18/2008 |
| 7451498 | Face mask for diving A face mask for diving includes a distal edge of a face-contactable section of a skirt attached to a lens frame are made roundly bulge so as to have a substantially circular cross-sectional shape. ... | 11/18/2008 |
| 7451499 | Pool barrier apparatus A pool barrier apparatus for providing a barrier between a deep end and a shallow end of a pool includes a netting having an upper edge, a lower edge and a pair of lateral edges. The netting has a length between said lateral edges being substantially equal to a leng... | 11/18/2008 |
| 7451500 | Skimmer door assembly A skimmer door assembly for use with a skimmer having an opening therein, having a face plate for matingly engaging the skimmer around the opening of the skimmer. The face plate has an opening therein which communicates with the opening of the skimmer. A raised rib ... | 11/18/2008 |
| 7451501 | Bathing chair with fixing device A bathing chair with a fixing device comprises a front frame, a rear frame, a bearing assembly with several gliding blocks, with an opening cut into at least one of the gliding blocks, a seat, a handle, and a fixing device. The fixing device is mounted at a gliding ... | 11/18/2008 |
| 7451502 | Bath drain closure assembly A bath drain assembly for use with a bathtub having a drain closure device mounted to a bottom drain and a movable actuating member engaging the drain closure device such that the drain closure device is toggled between open an closed positions when activated. A con... | 11/18/2008 |
| 7451503 | Bedding assembly with two liftable beds Bedding assembly comprising a piece of furniture in which two beds for one person are rotatably mounted around a horizontal axis, between an active position where the bed/s is/are parallel to the floor and close thereto, and a lifted position, or vertical position, ... | 11/18/2008 |
| 7451504 | Sofa sleeper with low-profile head rail This invention is directed to a sofa sleeper mechanism having a head section, a main middle section, a secondary middle section and a foot section. The head section has a head end and an end opposing the head end. The foot section has a foot end and an end opposing ... | 11/18/2008 |
| 7451505 | Bed tilting apparatus A bed elevating apparatus is provided which includes a mechanism for elevating a longitudinal side of a bed while the other side remains in place and acts as a pivot. The act of alternating the side of the bed that is raised shifts the pressure between the person an... | 11/18/2008 |
| 7451506 | Bed having electrical communication network A bed, including a bedframe to support a mattress. The bed includes an electrical communication network. ... | 11/18/2008 |
| 7451507 | Compression head pillows and neck angle adjustment mechanism for refractive laser surgery and the like Improved devices, systems, and methods support and/or restrain a head of a patient, optionally for use in refractive surgery. Both the height of the patient's head and the angle of the patient's neck along the medial-lateral plane of the patient can be established i... | 11/18/2008 |
| 7451508 | Slipcover and pillow with back rest A support pillow that comprises a pillow body having a medial region and two curved arms that extend from the medial region to define a generally open well. A back rest extends vertically upward from the medial region. This configuration permits an infant to be plac... | 11/18/2008 |
| 7451509 | Enhancer device for enhancing the utility of a user's bed The present invention relates to an enhancer device, and more particularly, to an enhancer device for enhancing the utility and look of a user's bed. The enhancer device comprises a support member securing mechanism for securing the enhancer device; a support member... | 11/18/2008 |
| 7451510 | Washing machine and method of performing spinning operation A method of performing a spinning operation of a washing machine is disclosed. First, a load weight of wet clothes contained in a tub is measured, and an optimal acceleration rate is calculated based upon the measured load weight. Finally, a rotational speed of the ... | 11/18/2008 |
| 7451511 | Shoe sole and method An outsole (1) for a shoe has a backing member (4) of thermoplastic rubber and on an area of the exterior surface of that backing member an intermediate layer (12) of thermoplastic polyurethane and an outermost layer of fabric (10), the a... | 11/18/2008 |
| 7451512 | Bridging device A bridging device (10) for providing a bridging surface (12) between two points comprising a stack of interjoined beams (14) housed in a retracted position in a housing (11) mounted at a first point; and a drive system that drives the bea... | 11/18/2008 |
| 7451513 | Back-scrubbing and cleansing apparatus A back-scrubbing and cleansing apparatus includes a housing that has a plurality of sidewalls defining first and second isolated cavities. One side wall is provided with an inlet port in fluid communication with the first cavity for receiving a liquid cleansing agen... | 11/18/2008 |
| 7451514 | Complex motion toothbrush A detachable head for use with an electric toothbrush is provided. The electric toothbrush has a handle with a motor disposed therein at a first end of the toothbrush. The toothbrush also has a head at a second end, the head having a longitudinal axis, the head also... | 11/18/2008 |
| 7451515 | Cleaning processing system and cleaning processing apparatus Disclosed herein is a processing system for applying a cleaning processing to a substrate such as a semiconductor wafer which includes a cleaning processing section including a plurality of process units each serving to apply a predetermined treatment to a wafer and... | 11/18/2008 |
| 7451516 | Cleaning sheet Disclosed is a cleaning sheet having a cleaning surface side to be applied to an object to be cleaned. The cleaning surface has second regions along its longer sides and a first region between the second regions. In the first region, an exterior nonwoven fabric is e... | 11/18/2008 |
| 7451517 | Cleaning article Disclosed is a cleaning article to be used while being attached to a holder. The cleaning article includes: a base sheet; a brush portion provided on one side of the base sheet; and a holding sheet provided on the other side of the base sheet. The base sheet, the br... | 11/18/2008 |
| 7451518 | Multi-roller applicator for painting A multi-roller applicator for the application of paint having a handle member and a frame member, the frame member having secured thereto in parallel relationship, a pair of spaced apart axles for the receipt of a frame core member and paint absorbing sleeve member ... | 11/18/2008 |
| 7451519 | Sheet holding structure and cleaner having the same There is provided a sheet holding structure in which a sheet holding force can be increased, and a cleaner having the structure. The sheet holding structure includes a base material made of a flexible material and having main surfaces, and a slit formed in the main ... | 11/18/2008 |
| 7451520 | Wiper blade to clean windshields, in particular of automobiles A wiper blade is proposed with which to clean windshields, in particular of automobiles. The wiper blade (10) has an elongated belt-shaped, flexible spring support element (12), with a separate first component designed as an elastic rubber wiper strip ... | 11/18/2008 |
| 7451521 | Apparatus for removal of material by suction An apparatus for removal of material by suction, comprising, supported by the chassis of a truck, a partial vacuum unit for a collection tank, to which aspirated material is conveyed. The tank is fitted on an unloading device suitable to lift on one side the tank in... | 11/18/2008 |
| 7451522 | Hinge A hinge has a positioning bracket, a rotating bracket, a pivotal pin, a washer, a mounting ring and two resilient sleeves. The positioning bracket has a sleeve. The sleeve has a through hole and an elongating groove. The rotating bracket has a connecting segment. Th... | 11/18/2008 |
| 7451523 | Hinge A hinge has a stationary bracket having multiple limiting slots, two resilient spacers, a pintle having a bar and an enlarged head, a stop element mounted in the pintle between the enlarged head and the resilient spacers and having multiple limiting tabs correspondi... | 11/18/2008 |
| 7451524 | Side handle for a hand-held power tool A side handle (2) for a hand-held power tool, such as, e.g., hammer drill or chisel hammer, includes a handle holder (10), an attachment device (6) for securing the side handle (2) on the power tool (4), and a decoupling device ( | 11/18/2008 |
| 7451525 | Sprung surface handle A sprung surface handle for flat surfaces, such as the end of a trunk, or box, comprising a base plate 1 having edges 2, 3, 4; a handle 6 having a cross arm 7, side arms 8, 9, and turned-in arms, or ends, 11, 12; a handle-mo... | 11/18/2008 |
| 7451526 | Apparatus for consolidating a conveyable fibre web, for example of cotton, synthetic fibres or the like In an apparatus for consolidating a conveyable fibre web, for example of cotton, synthetic fibers or the like, there is provided, at the exit from a flat card, roller card or the like, a web funnel together with take-off rollers, the outlet region of the web funnel ... | 11/18/2008 |
| 7451527 | Rope terminator A rope terminator comprising, an elongate hollow barrel (12) formed from a fiber reinforced synthetic resin material, the barrel having therein a rope receiving passage (13), and said passage having a first end region from which the rope (18) to... | 11/18/2008 |
| 7451528 | Device for the connection of an end part of a band to a stationary part In a device for the connection of an end part (5) of a band (1) to a rigid part (2), in particular a watchband to a watch casing, a pin (3) arranged at the end part (5) of the band (1) and extending, with its longitudinal ax... | 11/18/2008 |
| 7451529 | Colorable elastomeric composition Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, isoprene-butadiene rubber, or... | 11/18/2008 |
| 7451530 | Device for creating a seal between fabrics or other materials A device for forming a seal includes upper and lower seal members, and a slider, wherein mating surfaces of the seal members interlock. In at least one embodiment, a lifting rib and closure bar on the slider cooperate with a lifting wing and closure bar groove on th... | 11/18/2008 |
| 7451531 | Fastener adapter A fastener adapter for connecting fastener straps. The fastener adapter includes an outer member, and an inner member attached at an angle to the outer member such that the outer and inner members cooperate to form first and second pockets. At least one of the first... | 11/18/2008 |
| 7451532 | Forming discrete fastener element regions A method of making a fastener product having discrete regions of fastener element stems extending from a strip-form base includes providing a gap formed along a peripheral surface of a rotating mold roll, the mold roll having a plurality of cavities exposed about th... | 11/18/2008 |