CA216365A - Telephone apparatus for the deaf - Google Patents

Telephone apparatus for the deaf

Info

Publication number
CA216365A
CA216365A CA216365A CA216365DA CA216365A CA 216365 A CA216365 A CA 216365A CA 216365 A CA216365 A CA 216365A CA 216365D A CA216365D A CA 216365DA CA 216365 A CA216365 A CA 216365A
Authority
CA
Canada
Prior art keywords
deaf
telephone apparatus
telephone
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
CA216365A
Other languages
French (fr)
Inventor
Charles Hanson Earl
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 CA216365A publication Critical patent/CA216365A/en
Expired legal-status Critical Current

Links

CA216365A Telephone apparatus for the deaf Expired CA216365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA216365T

Publications (1)

Publication Number Publication Date
CA216365A true CA216365A (en) 1922-03-07

Family

ID=35110809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216365A Expired CA216365A (en) Telephone apparatus for the deaf

Country Status (1)

Country Link
CA (1) CA216365A (en)

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