CA291741A - Sound transmitter - Google Patents

Sound transmitter

Info

Publication number
CA291741A
CA291741A CA291741A CA291741DA CA291741A CA 291741 A CA291741 A CA 291741A CA 291741 A CA291741 A CA 291741A CA 291741D A CA291741D A CA 291741DA CA 291741 A CA291741 A CA 291741A
Authority
CA
Canada
Prior art keywords
sound transmitter
transmitter
sound
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
CA291741A
Other languages
French (fr)
Inventor
L. Walker William
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 CA291741A publication Critical patent/CA291741A/en
Expired legal-status Critical Current

Links

CA291741A Sound transmitter Expired CA291741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291741T

Publications (1)

Publication Number Publication Date
CA291741A true CA291741A (en) 1929-07-30

Family

ID=35228553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291741A Expired CA291741A (en) Sound transmitter

Country Status (1)

Country Link
CA (1) CA291741A (en)

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