CA274104A - Telephone diaphragm - Google Patents

Telephone diaphragm

Info

Publication number
CA274104A
CA274104A CA274104A CA274104DA CA274104A CA 274104 A CA274104 A CA 274104A CA 274104 A CA274104 A CA 274104A CA 274104D A CA274104D A CA 274104DA CA 274104 A CA274104 A CA 274104A
Authority
CA
Canada
Prior art keywords
telephone diaphragm
diaphragm
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
CA274104A
Other languages
French (fr)
Inventor
Vincent Mackintosh Eric
French Cyril
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 CA274104A publication Critical patent/CA274104A/en
Expired legal-status Critical Current

Links

CA274104A Telephone diaphragm Expired CA274104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA274104T

Publications (1)

Publication Number Publication Date
CA274104A true CA274104A (en) 1927-09-27

Family

ID=35204136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274104A Expired CA274104A (en) Telephone diaphragm

Country Status (1)

Country Link
CA (1) CA274104A (en)

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