Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 4439151 | Dental device A dental device is provided for fabricating dies from flexible impression material wherein the model, die and articulation mounting are accomplished in a single pouring. The device comprises a pair of recessed pivotal trays generally shaped to an individu... | 03/27/1984 |
| 4354073 | Electric gas blast circuit breaker An electric gas blast circuit breaker is disclosed which has two stationary contact pieces. A switching unit is movable between closed and open positions for electrically bridging the contact pieces in the closed position and for electrically disconnectin... | 10/12/1982 |
| 4345169 | Zero crossing detector An improved zero crossing detector utilizes a voltage comparator having two inputs and an output. An amplifier supplies the electrical signal to one input and an inverting amplifier supplies the inverse of this signal to the other input of the voltage com... | 08/17/1982 |
| 4343997 | Collimator assembly for an electron accelerator The collimator assembly comprises a collimator shielding block for blocking undesired X-rays and an insert piece inserted into the shielding block. The insert piece, which is made of a material of high atomic number, has an inner conical surface which def... | 08/10/1982 |
| 4340962 | Circuit arrangement for the synchronization of a digital subscriber station by a digital exchange in a PCM telecommunication network Circuit arrangement for synchronizing a subordinate system, in particular a digital subscriber station, by a superordinate system, in particular a digital exchange, in a PCM time-multiplex telecommunication network. The circuit arrangement operates to eva... | 07/20/1982 |
| 4340857 | Device for testing digital circuits using built-in logic block observers (BILBO's) A device for testing a digital electronic circuit, having a first BILBO for generating a pseudo-random test pattern, a second BILBO for analyzing a parallel-input signature, a decoder and at least one status indicator for indicating the status of a circui... | 07/20/1982 |
| 4340300 | Input sensor unit for a fingerprint identification system There is disclosed an input sensor unit for a fingerprint verification system. A sensor plate facing a fingerbed is composed of a transparent polymer which is elastic so as to form a latent topographic relief of a finger pattern. A sensing light beam is c... | 07/20/1982 |
| 4336998 | Fingerprint transducer and reading apparatus The fingerprint transducer contains a sensing member having a sensing surface for receiving a fingerprint, a device for generating an electrostatic charge on the sensing surface and a heating device for heating the sensing surface up to a temperature whic... | 06/29/1982 |
| 4336527 | Digital-to-analog converter An R-2R-ladder network has n chained ladder cells, each controlled by an associated one of n control circuits wherein n corresponds to the number of digits of a digital signal to be converted. Each cell is composed of a series transistor inserted between ... | 06/22/1982 |
| 4335455 | Method and apparatus for four-wire type transmission of digital message signals A method and apparatus for the four-wire type transmission of digital message signals between a superordinate system, such as a digital exchange, and a subordinate system, such as a digital subscriber station, along a two-wire transmission line. A regener... | 06/15/1982 |
| 4333583 | Drinking spout cover A drinking spout cover for a liquid container comprises a plastic cover or lid having a peripheral edge which protrudes downwardly and is designed to engage the lip on a container and an upwardly protruding liquid spout at the edge portion of the cover. T... | 06/08/1982 |
| 4330929 | Process for making an electrical component having a metallic casing with a conformable plastic coating An electrical component which includes a circuit element such as a solid electrolytic capacitor arranged within a metallic casing or can. One electrical lead of the component is connected to the casing; the other lead is connected to the circuit element a... | 05/25/1982 |
| 4330854 | Apparatus for generating an exchange pulse train for use in a telecommunications system In order to provide the possibility of interchange of roles of leading and led exchange pulse train generators, an exchange pulse train (T") of the led generator is synchronized in phase with that (T') of a leading generator. Each generator derives its ex... | 05/18/1982 |
| 4327293 | Electron accelerator and target with collimator The invention relates to a radio therapy apparatus comprising an electron accelerator having a target and a collimator for limiting the X-ray cone. In the use of such electron accelerators, the radiation load of the patient is increased in an undesirable ... | 04/27/1982 |
| 4326245 | Current foldback circuit for a DC power supply A DC power supply having an input stage receiving input power at one voltage and an output stage connected to the input stage producing output power at another, output voltage. The output stage receives a control signal reducing the output voltage by a pr... | 04/20/1982 |
| 4323977 | Non-uniformity energy correction method and apparatus A method and apparatus are disclosed for correcting energy (Z) signal non-uniformities in the response of an Anger-type scintillation camera to image events occurring at different (X, Y) positions on the camera face. Energy correction factors f(P)' corres... | 04/06/1982 |
| 4323780 | Target assembly for a linear accelerator The target assembly contains a metal plate which has two end faces, a recess in one of these end faces, a target for generating X-rays when hit by high-energy electrons, and a cooling channel in the metal plate for directing a cooling medium therethrough.... | 04/06/1982 |
| 4323244 | Solid geometrical puzzle method of assembling means A solid geometrical puzzle comprises a plurality of basic components each of which is hinged along two edges to neighboring components. A typical basic component comprises a solid element that is triangular in cross section, said triangle being a right an... | 04/06/1982 |
| 4316257 | Dynamic modification of spatial distortion correction capabilities of scintillation camera A method and apparatus for the dynamic modification of the spatial distortion correction capabilities of a scintillation camera having spatial distortion correction apparatus. The spatial distortion correction apparatus includes a memory having stored the... | 02/16/1982 |
| 4315290 | Apparatus for shifting the magnetic read/write head carriage in a floppy disk drive unit A floppy disk magnetic information storage and retrieval unit having a magnetic read/write head carriage and apparatus for shifting the carriage radially with respect to the floppy disk to effect data transfer with selectable tracks on the disk. The carri... | 02/09/1982 |
| 4305276 | Temperature controlled oven chamber for gas chromatography A temperature controlled oven chamber for gas chromatography incorporates a first stationary chamber wall, a second stationary chamber wall arranged remote from the first wall, and a displaceable chamber wall which is moveable between a closed position an... | 12/15/1981 |
| 4302831 | Method and circuit arrangement for clock synchronization in the transmission of digital information signals A method and a circuit arrangement for clock synchronization in the transmission of digital information signals. In the four-wire type transmission of blocks of information signals on a two-wire transmission line it is determined, by phase comparison, whe... | 11/24/1981 |
| 4301407 | Hand held testing device for indicating an electric test voltage There is disclosed a hand-held testing device for indicating different values of an electric test voltage. The testing device comprises at least one grip body adapted to be held in the hand and an electric circuit arranged therein. The grip body has a tes... | 11/17/1981 |
| 4301334 | Telecommunication subscriber line access circuit with ground key and insulation fault indication A subscriber line access circuit for use in a telecommunications system is disclosed. The subscriber line access circuit has a power supply bridge in the form of a first resistor inserted in the b-wire (ground potential side) of a subscriber line, a secon... | 11/17/1981 |
| 4298944 | Distortion correction method and apparatus for scintillation cameras A method and apparatus for correcting for the spatial distortions of scintillation cameras or similar image forming apparatus. The spatial distortion correction method accurately and precisely determines distortion correction factors in an off-line test m... | 11/03/1981 |
| 4298837 | Hand held testing device for measuring different electrical quantities There is disclosed a hand held testing device for measuring different electrical quantities. Two handles equipped with test prongs are interconnected by a cable. A battery and means for charging the same are built into one handle. The other handle is prov... | 11/03/1981 |
| 4292466 | Circuit arrangement for receiving unipolar DC signals There is disclosed a circuit arrangement for receiving unipolar DC signals from a transmission line of a telecommunication system. An opto-coupler circuit is coupled with a light-emitting element at the input side to two wires of the receiving branch of t... | 09/29/1981 |
| 4284853 | Telecommunication subscriber line access circuit with ground key indication and a device for call signal generation A subscriber line access circuit for use in a telecommunications system is disclosed. The subscriber line access circuit includes a power supply bridge in the form of a first resistor inserted in the b-wire (ground potential side) of a subscriber line, a ... | 08/18/1981 |
| 4282754 | Temperature sensor for measuring the temperature of an engine A temperature sensor for an engine such as an automotive engine, which sensor comprises in combination an electric heat sensitive device such as preferably a thermistor, a contact board and a housing. One of the surfaces of the magnet magnetically attache... | 08/11/1981 |
| 4278594 | Process for separation and isolation of AHF, von Willebrand's ristocetin cofactor (VWF:RCF) and fibronectin from blood plasma A process for the separation and isolation of AHF, fibronectin and von Willebrand's ristocetin cofactor from blood plasma by adding a sulfated mucopolysaccharide to blood plasma to a concentration of from about 0.05 to about 0.4 mg/ml of plasma, cooling t... | 07/14/1981 |
| 4277062 | Leg stretching exercise A leg stretching exercising device comprises a platform having an upwardly extending backrest at one end thereof, at least one handle opposite the backrest and extending outwardly from the platform. A bar including telescoping inner and outer end portions... | 07/07/1981 |
| 4276775 | Temperature sensor for measuring the temperature of a part of an automobile A temperature sensor for measuring the temperature of a part of an automobile, which sensor comprises in combination a clip and an electric heat-sensitive device, such as preferably a thermistor. The clip, which attaches the sensor to the automobile part,... | 07/07/1981 |
| 4275511 | Evaporator/sublimator flask apparatus A vacuum evaporator/sublimator flask apparatus comprises an elastomer cap and a cylindrical glass body. The glass body is a straight-sided cylinder, preferably made of borosilicate glass tubing of sufficient wall thickness to prevent implosion when subjec... | 06/30/1981 |
| 4269470 | Modular electrical terminal board An electrical terminal board comprises a plurality of modules having contacts which clamp the individual modules to adjacent modules as well as position them with respect to one another. The modules are secured together preferably by a dovetail arrangemen... | 05/26/1981 |
| 4268253 | Dowel post for dental and medical prosthetic devices A dowel post for securing dental and medical prostheses is provided having improved retention when cemented in a parallel-sided blind hole, and which reduces build-up of hydrostatic pressure ahead of the post as it is inserted. The dowel post comprises a ... | 05/19/1981 |
| 4266133 | Multiple focus X-ray generator An X-ray generator has at least a first and a second cathode filament for emitting electrons, one end of the first filament being connected to one end of the second filament, the connection point forming a terminal. Still two further terminals are located... | 05/05/1981 |
| 4256966 | Radiotherapy apparatus with two light beam localizers The radiation emitting apparatus contains a radiation source which projects a beam of radiation along a central axis onto a surface to be irradiated. There are provided a first and a second light-beam localizer for emitting a first and a second plane ligh... | 03/17/1981 |
| 4252030 | Force converter A machine with a central strut, which strut has a center portion first and second end portion, two pairs of flexible bows, each pair comprised of two bows under flexed stress and having first and second ends. The bows are flexed in an arc such that said f... | 02/24/1981 |
| 4248396 | Method and apparatus for detecting railroad cars A system for detecting railroad cars in a moving train. The cars are assumed to be of the type having two wheel trucks, each with at least two axles arranged adjacent to each other such that the maximum distance between the axles of a single truck is less... | 02/03/1981 |
| 4247877 | Head loading carriage assembly for a floppy disk drive There is disclosed a head loading carriage assembly for a data storage device such as a "floppy" disk device, the carriage assembly including a base and being movable in a radial direction relative to the recording medium. Pivoted with respect to this bas... | 01/27/1981 |
