CA241381A - Speaking apparatus - Google Patents

Speaking apparatus

Info

Publication number
CA241381A
CA241381A CA241381A CA241381DA CA241381A CA 241381 A CA241381 A CA 241381A CA 241381 A CA241381 A CA 241381A CA 241381D A CA241381D A CA 241381DA CA 241381 A CA241381 A CA 241381A
Authority
CA
Canada
Prior art keywords
speaking apparatus
speaking
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
CA241381A
Other languages
French (fr)
Inventor
William John Hallarn, Jr.
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 CA241381A publication Critical patent/CA241381A/en
Expired legal-status Critical Current

Links

CA241381A Speaking apparatus Expired CA241381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA241381T

Publications (1)

Publication Number Publication Date
CA241381A true CA241381A (en) 1924-07-08

Family

ID=35145411

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241381A Expired CA241381A (en) Speaking apparatus

Country Status (1)

Country Link
CA (1) CA241381A (en)

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