CA191916A - Appareil a fabriquer des diaphragmes de telephones - Google Patents

Appareil a fabriquer des diaphragmes de telephones

Info

Publication number
CA191916A
CA191916A CA000191916A CA191916DA CA191916A CA 191916 A CA191916 A CA 191916A CA 000191916 A CA000191916 A CA 000191916A CA 191916D A CA191916D A CA 191916DA CA 191916 A CA191916 A CA 191916A
Authority
CA
Canada
Prior art keywords
diaphragm machine
telephone diaphragm
telephone
machine
diaphragm
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
CA000191916A
Other languages
English (en)
Inventor
Henry C. Harrison
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA191916A publication Critical patent/CA191916A/fr
Expired legal-status Critical Current

Links

CA000191916A 1917-10-09 1917-10-09 Appareil a fabriquer des diaphragmes de telephones Expired CA191916A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA191916T 1917-10-09

Publications (1)

Publication Number Publication Date
CA191916A true CA191916A (fr) 1919-07-29

Family

ID=45311567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000191916A Expired CA191916A (fr) 1917-10-09 1917-10-09 Appareil a fabriquer des diaphragmes de telephones

Country Status (1)

Country Link
CA (1) CA191916A (fr)

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