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David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 5454132 | Device for removing snow, water, and/or ice from ski goggles Disclosed is a device for use by a skier to remove snow, ice and/or water from the glass inside and outside surfaces of a ski goggle and from the vent holes of the ski goggle. The device generally comprises a hand gripping portion having a longitudinal ax... | 10/03/1995 |
| 5386762 | Robotic chef An automated food preparation system having a continuously rotatable annular segmented cooking area, a food feeding system, and an industrial robot, all of which are controlled by a pre-programmed programmable controller wherein an operator provides input... | 02/07/1995 |
| 5384930 | Push brooms with flexible couplings in the handles A broom with a flexible coupling in the handle comprising a head having a threaded aperture therein. A handle is formed as a long upper section adapted to be held by a user and a shorter lower section being provided with screw threads for releasably coupl... | 01/31/1995 |
| 5375511 | Food warmer An improved food warmer is provided and consists of a cabinet having a chamber therein. A pair of doors are hinged to the front of the cabinet, so as to gain access into the chamber. A mechanism is for emitting heat into the chamber of the cabinet, so as ... | 12/27/1994 |
| 5371917 | Backplate for a sponge refill cartridge A sponge refill backplate for easy replacement on mop heads having mop clips, turn-lock assemblies or long slotted attachment members comprising opposed raised locking clips open only at their distal ends having locking slots with a wider channel below to... | 12/13/1994 |
| 5365632 | Clean-up pan A clean-up pan has an arcuate trough-shaped bottom wall defining a side opening pouring spout for discharging material from the pan into a receiving receptacle. The bottom wall has a relatively large capacity, and its configuration reduces the likelihood ... | 11/22/1994 |
| 5365831 | On-site cooking apparatus A pasta cooking apparatus includes a generally rectangular cabinet including an upright cooking tank and a sauce heating chamber with a common wall, with an opening permitting water flow therebetween. The cooking water temperature and the sauce heating wa... | 11/22/1994 |
| 5365977 | Pipe seal Apparatus for covering an opening in a pipe and sealing a gas or fluid leak includes first and second pipe engaging blocks coupled to a frame. With the second block fixedly mounted to the frame and the first block movable along the frame by means of a hyd... | 11/22/1994 |
| 5363532 | Apparatus for clamping eyeglasses A method and apparatus for cleaning eyeglasses is disclosed in which a holding device is provided with a clamp mechanism for mounting eyeglasses in the holding device in a manner which provides clear access to the lens surfaces of the eyeglasses. A cleani... | 11/15/1994 |
| 5363529 | Dental brush A dental brush comprises two intertwisted wire sections between which fibers for cleaning the teeth and tooth gaps are arrested by the twisting. To achieve an increased retaining force acting on the fibers, it is provided in such a dental brush that at le... | 11/15/1994 |
| 5363530 | Pipe joint cleaner A pipe joint cleaner device primarily for plastic pipes which after being cut are to be joined together comprising an open tapered cone member having a plurality of sharp raised projections on both the exterior face of such cone and on the interior face t... | 11/15/1994 |
| 5357644 | Adjustable toothbrush An adjustable toothbrush where the user can select, by turning a thumb knob on the brush handle, the inclination of the bristles to thereby improve on the cleaning of those hard to reach areas of the dentition. The toothbrush comprises a handle, a hollow ... | 10/25/1994 |
| 5355779 | Griller A griller having a substantially horizontally extending grill member to support food while being grilled, the grill member consisting of alternating bars and slots the bars being made of aluminium, aluminium alloy or a substance having similar heat transm... | 10/18/1994 |
| 5353694 | Heating and cooking apparatus A combination heating and cooking apparatus that can be used by campers and sportsmen to provide warmth as well as to provide a convenient means for cooking a wide variety of foods at any selected location within the campground. The apparatus is completel... | 10/11/1994 |
| 5353464 | Toothbrush construction The handle of the toothbrush is in the general form of an animal (e.g., a quadriped) having its body-supported when not in use in a generally horizontal position. The handle is manually encircled and grasped by the hand with the thumb extending under and ... | 10/11/1994 |
| 5351360 | Cleaning device for a wafer mount plate A cleaning device for cleaning adhesive particles and other foreign matter from a disk-shaped wafer mount plate used in semiconductor fabrication comprises a plurality of support rollers supporting the wafer mount plate horizontally for rotation about its... | 10/04/1994 |
| 5351356 | Combination sponge and handle A sponge body of between 6"-12" long and square in transverse cross-section defining four 2" to 3" wide side surfaces is provided with an elongate handle, the inner end of which terminates approximately 1" to 2" short of the outer squared end of the spong... | 10/04/1994 |
| 5349715 | Brush fabric cleaner A tufted brush article and process for manufacturing the same. The article consists of a fabric having upper and lower surfaces with tufts disposed on the upper surface and a tuft receiving member disposed integrally with the tuft on the lower surface. Th... | 09/27/1994 |
| 5349899 | Natural thawing pan A lower surface of a plate made of material with a well heat transfer characteristics such as pure aluminum or aluminum alloy is provided with a plurality of heat radiation fins and further with legs in order to provide a natural thawing pan capable of sh... | 09/27/1994 |
| 5347675 | Toothbrush An interdental toothbrush has a hinged locking retainer on the end of an elongated handle for capturing the stem of a twisted wire brush. The locking retainer has a hole which is adapted to receive the stem of a twisted wire brush. A land is formed in the... | 09/20/1994 |
| 5345644 | Brush intended for the application of a cosmetic product, in particular to the eyelashes or the hair A brush intended for the application of a cosmetic product comprises a plurality of bristles (3, 4) transversely implanted in a core. These bristles are formed by a mixture of bristles selected from at least two groups, namely a first group consisting of ... | 09/13/1994 |
| 5345646 | Handbrush for cleaning protheses, particularly tooth prostheses A handbrush for cleaning prostheses, in particular tooth prostheses, has a bristle support provided with a plurality of bristles and a hand gripping part connected with the bristle support. The bristle support, the bristles and the hand gripping part are ... | 09/13/1994 |
| 5343799 | Devices for use with espresso machines Devices for extraction of a beverage material contained in a cartridge include an extraction head and a water distributing grill, a cartridge holder and a cartridge holder support which engages tightening ramps of a tightening ring of the extraction head ... | 09/06/1994 |
| 5339479 | Motivational toothbrush A child's motivational toothbrush of unitary construction such that no part, of the toothbrush can be nondestructively detached so as to endanger a child. The toothbrush has as a part of its handle construction a three dimensional figure which has a cavit... | 08/23/1994 |
| 5339485 | Cutting torch tip cleaner A cleaner is provided for a cutting torch tip having a plurality of orifices in a particular arrangement which consists of a cylindrical body and a plurality of stainless steel wires extending from the body in the same pattern arrangement as the orifices ... | 08/23/1994 |
| 5339726 | Hot air circulating oven and food heating apparatus A food heating oven comprising a plurality of perforate food baskets removably mounted to respective prongs of a rotating rod in an oven chamber. Hot air is blown through the oven chamber to heat the food in the baskets. Each prong is color coded, and the... | 08/23/1994 |
| 5339486 | Golf ball cleaner A golf ball cleaner with a housing having the outward appearance of an ordinary golf ball, the housing separable into two hollow, semi-spherical sections for placement of a golf ball therein for cleaning. Each hollow section includes a pad made of a spong... | 08/23/1994 |
| 5337436 | Brushless tooth cleaning device The device has an elastic cleaning head with an aperture. On the inside facing the aperture there is a brushless cleaning layer (12), e.g. of looped fabric. For cleaning purposes the head is first fitted over an incisor (15) and moved to and fro, fully co... | 08/16/1994 |
| 5333538 | Food extruder machine A food extruder machine includes a molding barrel having several axial holes spaced in a circumferential direction for passing a major material and a core. A die head has a fine narrow die hole arranged opposite a cone part at an extreme end of the core v... | 08/02/1994 |
| 5333346 | Toothbrush An interdental toothbrush has a hinged locking retainer on the end of an elongated handle. The locking retainer has a hole which is positioned relative to a groove in the handle so that a twisted wire brush may be locked into place simply by inserting it ... | 08/02/1994 |
| 5331711 | Tool for cleaning cross conveyor assembly and other parts of a bowling machine pinsetter A tool for cleaning parts of a bowling machine. The tool includes a base plate having a handle pivotally secured thereto between two opposed side walls and including a planar forward portion having a notch therein which is adapted to manipulate a latch in... | 07/26/1994 |
| 5331705 | Cleaning aid A cleaning aid comprises a towel having a cleaning cloth stitched over part of its area. A fibrous scouring pad is stitched over part of the cloth. The pad allows wet dirt lumps to be removed from a contaminated surface after which dirt streaks and moistu... | 07/26/1994 |
| 5331715 | Two motor upright vacuum cleaner An upright vacuum cleaner including a canister assembly pivotally connected to a nozzle assembly and an extensible hose which forms part of the vacuum path between the nozzle assembly and the canister assembly and which can be disconnected from the nozzle... | 07/26/1994 |
| 5327815 | Device for use in beverage extraction machines Devices for use in a water injection coffee extraction machine are in a form of a hollowed ring which may be fixed about the base of the extraction head of the coffee machine, and a grill or other member, which allows passage of extraction water therethro... | 07/12/1994 |
| 5323507 | Device for surface cleaning A device is disclosed for manually cleaning surfaces. The device has an angled tubular body having at one end an elastically deformable member with a central opening for holding a paper sheet. The paper sheet is affixed to the elastically deformable membe... | 06/28/1994 |
| 5323692 | Potato baking device A potato baking device comprising a self-supporting base and lid, wherein the base and lid define a cooking chamber for baking potatoes. A heating plate is provided inside the cooking chamber for conducting heat throughout the cooking chamber. A plurality... | 06/28/1994 |
| 5323506 | Bathtub scrubbing implement A bathtub scrubbing implement for efficiently and effectively cleaning the interior surface of a bathtub providing a scrubber head having at least one substantially planar side conformable to the planar surfaces of a bathtub interior and at least one curv... | 06/28/1994 |
| 5323505 | Rotary brush A brush assembly adapted to be rotated about an axis has a brush having a flexible, annular and generally cylindrical collar generally centered on the axis and having a predetermined and generally uniform radial thickness, a predetermined inside diameter,... | 06/28/1994 |
| 5321867 | Foot washing apparatus A device for washing a person's feet while the person is standing in an upright position includes a housing and brushes. The housing has a bottom wall first and second side walls and an open front end and rear end. The brushes include bottom brushes which... | 06/21/1994 |
| 5321868 | Ergonomic squeegee for silk screening An improved squeegee and method of ergonomically modifying a conventional squeegee, is provided. A squeegee includes a rigid handle having a convex top side, opposite from a bottom side, and opposing concave faces longitudinally disposed between the top a... | 06/21/1994 |