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CA900163A - Portable keyboard teaching aid with multiple keyboards - Google Patents

Portable keyboard teaching aid with multiple keyboards

Info

Publication number
CA900163A
CA900163A CA900163A CA900163DA CA900163A CA 900163 A CA900163 A CA 900163A CA 900163 A CA900163 A CA 900163A CA 900163D A CA900163D A CA 900163DA CA 900163 A CA900163 A CA 900163A
Authority
CA
Canada
Prior art keywords
teaching aid
portable keyboard
multiple keyboards
keyboard teaching
keyboards
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA900163A
Inventor
D. Olson Percy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MUSITRONIC Inc
Original Assignee
MUSITRONIC Inc
Publication date
Application granted granted Critical
Publication of CA900163A publication Critical patent/CA900163A/en
Expired legal-status Critical Current

Links

CA900163A Portable keyboard teaching aid with multiple keyboards Expired CA900163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA900163T

Publications (1)

Publication Number Publication Date
CA900163A true CA900163A (en) 1972-05-16

Family

ID=36408152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA900163A Expired CA900163A (en) Portable keyboard teaching aid with multiple keyboards

Country Status (1)

Country Link
CA (1) CA900163A (en)

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