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SCHMOYER ARTHUR R

Overview
  • Total Patents
    13
About

SCHMOYER ARTHUR R has a total of 13 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets control, consumer goods and audio-visual technology are MUSACUS INT LTD, SONIC AGE LTD and PLEIADES PUBLISHING LTD.

Patent filings in countries

World map showing SCHMOYER ARTHUR Rs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 5
#3 Germany 2

Patent filings per year

Chart showing SCHMOYER ARTHUR Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmoyer Arthur R 10
#2 R Schmoyer Arthur 2
#3 J Dozier Jun James 1
#4 Miner Jesse H 1
#5 E E Boswell Jun John 1
#6 Boswell John E E Jr 1
#7 H Bradford Richard 1

Latest patents

Publication Filing date Title
US4480521A System and method for instruction in the operation of a keyboard musical instrument
CA1053899A Pocket-size musical chord study aid
US4031797A Pocket-size musical chord study aid
US3954040A System and apparatus for keyboard instruction in playing chords in 3-4 or 4-4 time
CA972952A Programmed audio-visual presentation of information for instruction in the operating of keyboard controlled instruments
US3693493A Light bar indicator for keyboard teaching devices
US3664036A Audio-visual teaching device and method for instruction in the operation of keyboard controlled instruments
US3335630A Visual chord teaching device
CA882232A Apparatus for teaching the operation of a keyboard controlled machine or instrument
CA882823A Method of and apparatus for teaching the operation of a keyboard controlled machine or instrument