CA510609A - Audible signal apparatus - Google Patents

Audible signal apparatus

Info

Publication number
CA510609A
CA510609A CA510609A CA510609DA CA510609A CA 510609 A CA510609 A CA 510609A CA 510609 A CA510609 A CA 510609A CA 510609D A CA510609D A CA 510609DA CA 510609 A CA510609 A CA 510609A
Authority
CA
Canada
Prior art keywords
audible signal
signal apparatus
audible
signal
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
CA510609A
Other languages
French (fr)
Inventor
Dohm James
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 CA510609A publication Critical patent/CA510609A/en
Expired legal-status Critical Current

Links

CA510609A Audible signal apparatus Expired CA510609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA510609T

Publications (1)

Publication Number Publication Date
CA510609A true CA510609A (en) 1955-03-08

Family

ID=35661672

Family Applications (1)

Application Number Title Priority Date Filing Date
CA510609A Expired CA510609A (en) Audible signal apparatus

Country Status (1)

Country Link
CA (1) CA510609A (en)

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