CA22722A - Sound amplificator for pianos, etc. - Google Patents

Sound amplificator for pianos, etc.

Info

Publication number
CA22722A
CA22722A CA000022722A CA22722DA CA22722A CA 22722 A CA22722 A CA 22722A CA 000022722 A CA000022722 A CA 000022722A CA 22722D A CA22722D A CA 22722DA CA 22722 A CA22722 A CA 22722A
Authority
CA
Canada
Prior art keywords
amplificator
pianos
sound
sound amplificator
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
CA000022722A
Other languages
French (fr)
Inventor
Francois E. Viger
Julien Brosseau
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA22722A publication Critical patent/CA22722A/en
Expired legal-status Critical Current

Links

CA000022722A Sound amplificator for pianos, etc. Expired CA22722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA22722T

Publications (1)

Publication Number Publication Date
CA22722A true CA22722A (en) 1885-11-02

Family

ID=45139265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000022722A Expired CA22722A (en) Sound amplificator for pianos, etc.

Country Status (1)

Country Link
CA (1) CA22722A (en)

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