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 |
| 5987391 | Method for predicting and improving wear characteristics of laser textured bumps formed on magnetic recording disk A method for predicting total bump height reduction from volume wear rate data for a laser textured magnetic disk. In this method, a bump topography function, r(h), is first established by which the bump half-width, r, is expressed as a function of bump d... | 11/16/1999 |
| 5293287 | Apparatus and methods for backside stabilization of flexible optical media in information storage system Methods and apparatus for providing Bernoulli stabilization to flexible media in an information storage system, are shown to include a stabilizer having a body on which a first surface is formed of a contour sufficient to provide Bernoulli stabilization t... | 03/08/1994 |
| 4809095 | Recording and reproducing apparatus selectively using a plurality of kinds of recording mediums Disclosed is a recording and/or reproducing apparatus which comprises heads of at least two different kinds, carrying apparatus operative for receiving a recording medium, discriminating apparatus for discriminating the kind of the recording medium being ... | 02/28/1989 |
| 4755900 | Tape cartridge drive with tape biasing arm to allow head movement normal to tape path A data cartridge which is edge loaded must be loaded before the access door is opened, permitting the head to enter the cartridge but entry and opening of the door can be accomplished when the head is moved vertically from a first lowered position to an u... | 07/05/1988 |
| 4639814 | Tape recorder with improved tape cassette pad shifter A magnetic head is fixedly mounted on the cassette holder in a cassette tape recorder. When a tape cassette is inserted into the cassette holder, a magnetic tape is brought into contact with the front face of the magnetic head through an access opening in... | 01/27/1987 |
| 4479158 | Stationary magnetic head with a fluid operated tape lifter Fluid is introduced under pressure to the operative face of a magnetic head to lift the magnetic media out of contact with the transducers when the media is stationary or about to be stopped. The media is lifted only locally with respect to the multiple t... | 10/23/1984 |
| 4321637 | Recording-reproduction apparatus for an endless tape A recording and/or reproduction apparatus for an endless tape which includes a hollow fixed reel, the outer wall of which is wound with an endless tape which is conducted from the innermost portion and wound onto the outermost side a head mechanism for sc... | 03/23/1982 |
| 4175275 | R/W Arm that prevents catastrophic failure In a flexible magnetic disk file having one or more flexible disks mounted for rotation about a centrally located axis, data on a selected disk is transduced by a magnetic head seated on a fail-safe head arm support. The head arm support is a relatively f... | 11/20/1979 |
| 4175274 | Recording system with flexible magnetic recording disc A flexible disc is provided for the recording and playback of information on a recording surface thereof. The disc is contained within a cartridge housing which protects the recording surface. At least one opening is provided in the disc which engages wit... | 11/20/1979 |
| 4151573 | Magnetic recording device for double sided media In a data storage system using a non-rigid magnetic storage surface, such as a floppy disc, and in which recording and reproduction are to be effected on both sides of the element by contact transducers, significant improvements over prior art devices are... | 04/24/1979 |
| 4121263 | Method and apparatus for control signal separation to regain synchronization between a visual image projector and an audio program Method and apparatus for use with a magnetic tape playback machine to attenuate recorded audio signals relative to the super-imposed control signals while the magnetic tape is being transported past the sensing surface of a playback head. The control sign... | 10/17/1978 |
| 4040114 | Magnetic tape reproducing apparatus with manually overrideable connection between tape lifter and pressure roller Reproducing apparatus for magnetic tape having a pressure roller mounted on a first movable member and a tape lifter mounted on a second movable member. Solenoid and spring means connected to the first movable member moves the pressure roller between a ta... | 08/02/1977 |
| 3942189 | Magnetic tape reproducing apparatus with solenoid actuated tape lifter means and automatic control therefor In a magnetic tape reproducer, tape lifer bars are rectilinearly movable in one direction by activation of a solenoid to engage the tape and lift it from the heads. The bars are movable in the opposite direction by a biasing spring, when the solenoid is d... | 03/02/1976 |
