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| Number | Title | Issue Date |
| 7332665 | Slide rule devices for music study Slide-rule type devices for music study. Requires two printed parts that slide relative to each other; or three parts in the special case of a device for studying violin. Information on one of the parts is viewed through the other part. When employed together, the t... | 02/19/2008 |
| 7301090 | Piano key finder and chord indicator An instructional device for use by music students is constructed as an outer sleeve having a slide member fitted within it. The outer sleeve has first and second sets of openings through and is imprinted with a representation of a piano keyboard on one surface. The ... | 11/27/2007 |
| 7176371 | Algorithmic combo-instrument slide ruler for musical reference An algorithmic combo-instrument slide ruler comprising one common part working in cooperation with two interchangeable parts selected from separate multitudes of unique yet related parts. An opaque slidable combo-instrument tuning card is selected having thereon inf... | 02/13/2007 |
| 7084340 | Apparatus and method of letter learning finger patterns for stringed instruments A tool for learning positions of notes on a fingerboard of a stringed instrument having a baseboard and templates for placement over the baseboard so as to focus a student's attention on finger patterns that are necessary to master a stringed instrument. Additional ... | 08/01/2006 |
| 5866832 | Assembly for sight reading musical scores and to assist in learning and practicing a polyphonic musical instrument An assembly for reading musical scores and to assist in learning and practicing a polyphonic musical instrument, as well as a process for using this assembly, comprises two flat coacting elements (1 and 2) of which the first (1) which is external and form... | 02/02/1999 |
| 5644096 | Musical computational devices Disclosed is apparatus comprising at least two elements whose positions relative to each other are alterable, and in which at least a portion of each element is visible during use of the apparatus, and wherein a first of said elements exhibits an indicate... | 07/01/1997 |
| 5415071 | Method of and means for producing musical note relationships In a method of and means for producing musical note relationships there is provided an array of staggered lines or rows (1) of symbols, in which each symbol represents a musical note. Each line (1) comprises a repeated series of twelve symbols forming a m... | 05/16/1995 |
| 5410940 | Apparatus and method for identifying musical chords A music chord indicating calculator assists in determining finger placement to play musical chords on a multi-stringed musical instrument containing a finger board. The device has an outer slide member and an inner base member which slides through the out... | 05/02/1995 |
| 5386757 | Universal musical scale, scale pattern, and chord indicator A device for demonstrating musical scales and chords in various tonics for use with a fretted stringed musical instrument. A housing is of a slide-rule nature and has a transparent simulated fingerboard positioned within a display window. This fingerboard... | 02/07/1995 |
| 5029507 | Chord progression finder A chord progression finder for determining each and every tone of a selected musical scale in a selected key note and each and every tone of its relative musical scales, as well as the various chords playable for the selected musical scale and its relativ... | 07/09/1991 |
| 4969383 | Musical scale indicator The musical scale indicator according to a first preferred embodiment of the present invention is composed of two cooperating parts. A base is provided having thereon printed information pertaining to a particular musical instrument and which, in addition... | 11/13/1990 |
| 4748890 | Chord constructer The invention pertains to musical teaching aid devices for fretted instruments such as guitar. The enclosed invention is a device in which the user builds a desired chord and is taught the form and the spelling of the chord by the use of a special embodim... | 06/07/1988 |
| 4620471 | Chord selector for keyboard musical instruments A music chart for determining the constituent tones of a plurality of chords and the chord name of a given series of tones is disclosed. The chart is comprised of a disc having at its outer circumference a plurality of spaced-apart chord names. Each chord... | 11/04/1986 |
| 4503748 | Chord display device for fretted string instrument A device to display musical chords and notes for fretted string instruments comprising (a) top sheet having a plurality of transparent patterns representing the strings and frets on the fingerboard of the instrument, (b) pivot located at a central point o... | 03/12/1985 |
| 4307649 | Slide rule for fretted musical instrument A slide rule device displays notes and chords of a fretted musical instrument and is used to visualize and teach the operation of instruments such as the pedal steel guitar. The device includes a number of side-by-side slide members positioned in a channe... | 12/29/1981 |
| 4289057 | Pattern composer for fingerboard instrument instruction Apparatus for composing and indicating finger pattern information for a musical stringed fingerboard instrument comprising a plurality of alignably repositionable first series of first indicia, each first series representing at least one course of said st... | 09/15/1981 |
| 4175468 | Method and apparatus for music instruction Method and apparatus for indicating finger pattern information for a musical stringed fingerboard instrument comprising at least one type of first indicia in a fingering pattern specified by pairs of coordinates representing allowable locations for finger... | 11/27/1979 |
| 4069737 | Device for transfer of a conventional note system into a system indicating the position of the hand when playing string instruments The invention relates to a device intended to facilitate play on a musical string instrument by transfer of the notes for a tune to be played from the conventional note sheet onto a note sheet where the tones are indicated so as they are to be found at pr... | 01/24/1978 |
| 4023460 | Intonation aid for the violin, viola and cello and other instruments of the violin family An intonation aid for instruments of the violin family is molded from a plastic material as a thin, curved member which fits over the fingerboard. The aid includes a plurality of spaced stops arranged at different acute angles transverse to the strings th... | 05/17/1977 |
