CA409024A - Electric megaphone - Google Patents

Electric megaphone

Info

Publication number
CA409024A
CA409024A CA409024A CA409024DA CA409024A CA 409024 A CA409024 A CA 409024A CA 409024 A CA409024 A CA 409024A CA 409024D A CA409024D A CA 409024DA CA 409024 A CA409024 A CA 409024A
Authority
CA
Canada
Prior art keywords
electric megaphone
megaphone
electric
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
CA409024A
Other languages
French (fr)
Inventor
J. Sanial Arthur
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.)
GUIDED RADIO Corp
Original Assignee
GUIDED RADIO Corp
Publication date
Application granted granted Critical
Publication of CA409024A publication Critical patent/CA409024A/en
Expired legal-status Critical Current

Links

CA409024A Electric megaphone Expired CA409024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA409024T

Publications (1)

Publication Number Publication Date
CA409024A true CA409024A (en) 1942-12-01

Family

ID=35420325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA409024A Expired CA409024A (en) Electric megaphone

Country Status (1)

Country Link
CA (1) CA409024A (en)

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