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CA189210A - Optiphone - Google Patents

Optiphone

Info

Publication number
CA189210A
CA189210A CA000189210A CA189210DA CA189210A CA 189210 A CA189210 A CA 189210A CA 000189210 A CA000189210 A CA 000189210A CA 189210D A CA189210D A CA 189210DA CA 189210 A CA189210 A CA 189210A
Authority
CA
Canada
Prior art keywords
optiphone
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
CA000189210A
Other languages
French (fr)
Inventor
Fay C. Brown
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.)
WESTERN ELECTREIC COMPANY Ltd
Original Assignee
WESTERN ELECTREIC COMPANY Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WESTERN ELECTREIC COMPANY Ltd filed Critical WESTERN ELECTREIC COMPANY Ltd
Application granted granted Critical
Publication of CA189210A publication Critical patent/CA189210A/en
Expired legal-status Critical Current

Links

CA000189210A 1917-10-10 1917-10-10 Optiphone Expired CA189210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA189210T 1917-10-10

Publications (1)

Publication Number Publication Date
CA189210A true CA189210A (en) 1919-03-18

Family

ID=45308861

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000189210A Expired CA189210A (en) 1917-10-10 1917-10-10 Optiphone

Country Status (1)

Country Link
CA (1) CA189210A (en)

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