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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| PP17597 | Clematis plant named ‘Carnival’ A new variety of clematis plant named ‘Carnival’. The variety is characterized by its unique color combination, having a medium lavender blue tepal with a dark lavender bar. The bright yellow stamens further distinguish the flowers. ... | 04/17/2007 |
| 6957932 | Benthic screen for controlling aquatic plant growth A benthic screen for controlling aquatic plant growth comprising a sheet of flexible material, a plurality of spaced-apart, elongated retaining members that are transversely positioned across the width of the sheet and attachment means for securing each retaining me... | 10/25/2005 |
| PP14787 | Clematis plant named ‘Sprinkles’ A new variety of clematis plant named ‘Sprinkles’. The variety is characterized by wavy edged petals having sprinkles of light pink distributed throughout the tepal surface and a light pink bar that extends along the center longitudinal axis of each tepal. ... | 05/18/2004 |
| 6702113 | Toothbrush sanitizing assembly A toothbrush sanitizing assembly having a detachable toothbrush and receptacle. The receptacle is preferably cylindrically shaped with a closed base, an open top and a sidewall that extends from the base to the top. A receptacle cover is an integral part ... | 03/09/2004 |
| 6623698 | Saliva-monitoring biosensor electrical toothbrush A biosensor electrical toothbrush having a brush head with a test channel and a renewable biosensor system within the test channel for performing routine saliva tests. The brush head stimulates saliva production and collection in the test channel where me... | 09/23/2003 |
| 6434773 | Dentifrice dispensing electrical toothbrush with snap-on dual brush unit A dentifrice dispensing electrical toothbrush having two replaceable oscillating brush elements. A motor, batteries and a cartridge that contains dentifrice material are housed in the toothbrush handle. A neck connects the brush head and the handle. A pai... | 08/20/2002 |
| 6292957 | Shower curtain retainer assembly A shower curtain retainer assembly for retaining the bottom of a shower curtain against a shower enclosure wall is described. The assembly includes a first set of plastic disks, a second set of plastic disks and a set of magnetically responsive plates. A ... | 09/25/2001 |
| 5909977 | Dentifrice dispensing toothbrush with refillable cartridge A dentifrice dispensing toothbrush utilizes a refillable cartridge for storing dentifrice material and a compressible elastic button for pumping dentifrice material from the cartridge to a brush head. The refillable cartridge has special adaptive features... | 06/08/1999 |
| 5584139 | Portable, collapsible chamber for asphyxiating trapped animals A portable, collapsible chamber for asphyxiating trapped animals is described. The chamber is used in its canopy configuration and is transported and stored in its collapsed or folded configuration. When deployed in its canopy configuration, the chamber i... | 12/17/1996 |
| 5439232 | Educational card game An educational card game is described which requires a player to identify an object shown in a dictionary-like illustration on the front side of a card. The spelling of the object is alphabetically sequenced between two other words that also appear on the... | 08/08/1995 |
| 5392468 | Protective head gear for martial arts activities Protective head gear is described which is suitable for use in martial arts activities. The protective head gear has four main components which provide increased protection to vulnerable parts of the head and neck. The main components are 1) a head mask, ... | 02/28/1995 |
| 5346324 | Dentifrice dispensing toothbrush with replaceable cartridge A dentifrice dispensing toothbrush is described which utilizes a compressible elastic button to pump a controlled quantity of dentifrice material from a replaceable cartridge to the brush head. The toothbrush locks itself to prevent further pumping of den... | 09/13/1994 |
| 5190089 | Protective collapsible bag assembly for appliance items A collapsible bag assembly is described which provides a barrier for protecting an appliance item against flood water damage. The bag assembly includes a) a water impermeable flexible tube of plastic sheeting which is open at the top and closed at the bot... | 03/02/1993 |
| 5062728 | Dentifrice dispensing toothbrush with replaceable cartridge A dentifrice dispensing toothbrush is described which locks itself to prevent further pumping of dentifrice material when its replaceable supply cartridge is empty. The self locking mechanism eliminates the formation of voids in the material and consequen... | 11/05/1991 |
| 5007753 | Window cleaning apparatus with rotatable head Window cleaning apparatus is described which has a cleaning head that is rotatable to any position when used on a window surface. The apparatus includes a rotatable sleeve coupling which is positioned between the cleaning head and the handle for the appar... | 04/16/1991 |
| 4949875 | Dispenser with integrated cover for paste-like material A dispenser for paste-like materials is described which has a cover that automatically seals the dispenser's spout when no material is pumped therefrom thereby protecting the spout and its immediate surroundings from ambient air. The cover automatically u... | 08/21/1990 |
| 4827979 | Multi port diverter valve A multi port diverter valve is described which contains a series of compartments and a common valve stem which passes through each of the compartments. A series of blocking elements are mounted on the valve stem and block the flow of fluid between compart... | 05/09/1989 |
| 4787765 | Dentifrice dispensing toothbrush A dentifrice dispensing toothbrush is described which stores dentifrice material in its handle and deposits a controlled quantity of the stored material directly onto the top of the brush surface. The toothbrush comprises (1) a housing which includes a ha... | 11/29/1988 |
| 4695177 | Dentifrice dispensing toothbrush A dentifrice dispensing toothbrush is described which stores dentifrice material in its handle and deposits a controlled portion of the stored material directly onto the top of the brush surface. The toothbrush comprises (1) a housing which includes a han... | 09/22/1987 |
| 4674630 | Reed case A portable, self-enclosed reed case that maintains the environment most conducive to woodwind reed maintenance. The reed case comprises a main enclosure that is divided by an aerated partition into a reed chamber and a hygrostat chamber, a reed slide adap... | 06/23/1987 |
| 4545631 | Offset electrical outlet An improved electrical outlet is described which simultaneously accommodates more than one three prong plug of any shape. The electrical outlet has two receptacles and each receptacle has a pair of contact apertures and a ground aperture for accommodating... | 10/08/1985 |
| 4452943 | Thermoforming of thermoplastic polymers A process for dielectrically heating and thermoforming a non-polar thermoplastic material by electromagnetic field energy is accomplished by the addition of a polar domain-containing material having at least one nitrile group to the thermoplastic material... | 06/05/1984 |
| 4376491 | Flexible membrane container closure A container closure comprising a cylindrically shaped, resilient, distortable membrane having a first terminal end fully affixed to the periphery of a first closure body providing a discharge aperture of predetermined size and a second terminal end fully ... | 03/15/1983 |
| 4306656 | Medical pouches and a method of manufacturing such pouches A medical pouch comprised of two separate web materials, one web material being notched and cut at an openable pouch end and the second web, along a line aligned essentially with the cut line of the first web, being cut in the line portions overlying the ... | 12/22/1981 |
| 4301214 | Low thermal expansion ceramic and process A ceramic product having an expansion coefficient from about 1.0×10-6 °C. to about 2.5×10-6 °C. containing a sintered mixture of spodumene and clay is described. The sintered mixture also includes iron oxide in an amount from abo... | 11/17/1981 |
| 4284656 | Novel protein curd product and process of preparation A high protein, low fat foodstuff which is comprised of a protein curd product and the process for its preparation are described. The protein curd product is prepared under carefully controlled process conditions. It is light in color, bland in flavor and has ... | 08/18/1981 |
| 4281577 | Electronic tuning device An electronic tuning device provides four different modes of operation. In a first mode, the device sounds one of a plurality of internally generated audio frequency pitch standards that is manually selected by an operator for audible comparison with a no... | 08/04/1981 |
| 4230267 | Heating system for building structures An improved heating system for a building structure is described. The improved system utilizes heat generated by an enclosed natural fuel burning device such as an auxiliary furnace as a supplemental source for a standard (primary) furnace heating system.... | 10/28/1980 |
| 4215388 | Novelty button A novelty button is provided with electronic circuitry comprising an oscillator, a switch and a battery connected to the input terminals of the oscillator and two (2) light-emitting diodes connected to the output terminals of the oscillator. The circuitry... | 07/29/1980 |
| 4212924 | Novel whiteware bodies and energy efficient process for their production Novel ceramic whiteware bodies, glazes and compositions for the bodies and energy efficient processs for the fabrication of the bodies are described. The whiteware bodies contain a matrix of a low melting alkali phosphate frit having quartz particles dispersed... | 07/15/1980 |
| 4154893 | Production of thermoplastic billets and preforms Thermoplastic resin is converted to void free billets and preforms, by techniques including: compaction of heated thermoplastic powders: compactionof heated extruded strands: rolling of heated ingots of plastic: simultaneous extrusion and combining of two... | 05/15/1979 |
| 4121834 | Pick-up device for a phonograph tone arm A device for automatically lifting a phonograph stylus from a record after the end of the sound groove has been played includes a pedestal base mounted on a support plate adjacent the turntable and provided with a cavity adapted to receive one end of a bo... | 10/24/1978 |
| 4112955 | Coin operated ultrasonic cleaning device A novel coin operated ultrasonic device for cleaning jewelry and other small household items is described. The device is designed for usage in public places and has a cleaning chamber, a cover for the chamber and a basket. When not in use, the cover remai... | 09/12/1978 |
| 4097135 | Apparatus for audio visual presentation of music An audio-visual apparatus is disclosed which includes a projection screen having indicia thereon representative of a note play marker, means for successively projecting onto the screen adjacent the note play marker a plurality of visual images of a musica... | 06/27/1978 |
| 4073365 | Speaker system An audio speaker system designed to achieve multidirectional sound characteristics which includes an enclosure body having a base, front wall, two angled, forward sound directing side walls, at least one angled, inclined rear wall and a top wall which slo... | 02/14/1978 |
| 4019677 | Heating system for building structures An improved heating system for a building structure is described. The improved system utilizes heat generated by a fireplace as a supplemental source for a standard furnace heating system. The fireplace heat is used to heat water or another heat exchange ... | 04/26/1977 |
| 4016314 | Embroidered fruit bowl wall hanging and kit for making same A novel wall hanging which is a three-dimensional facsimile of a fruit bowl and kit for its fabrication are described. The hanging itself contains a backing board having a face side and a back side. A background burlap cover is tightly stretched over the ... | 04/05/1977 |
| 4011994 | Transportable ground spraying device A novel sprayer for treating ground surfaces with liquid materials is described. The sprayer is readily transportable, collapsible, easily adjustable and non-corrosive and has a collapsible frame which includes an adjustable handle section, a dependent le... | 03/15/1977 |
| 3998758 | Supported catalyst A novel supported catalyst is described. The catalyst contains (a) a ceramic sponge support having internal surfaces comprised of the walls of cavities randomly dispersed throughout the sponge support and the walls of intersticial passageways connecting s... | 12/21/1976 |
| 3989374 | Electronic timing device A novel electronic timing apparatus is described which contains means for selecting a preset time interval and means for selecting an actual interval to be timed which is equal to or less than, and also a function of, the preset interval. When the apparat... | 11/02/1976 |
