CA310898A - Telephone transmitter - Google Patents

Telephone transmitter

Info

Publication number
CA310898A
CA310898A CA310898DA CA310898A CA 310898 A CA310898 A CA 310898A CA 310898D A CA310898D A CA 310898DA CA 310898 A CA310898 A CA 310898A
Authority
CA
Canada
Prior art keywords
telephone transmitter
telephone
transmitter
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
Other languages
French (fr)
Inventor
John Aldridge Arthur
James Barnes Edgar
Foulger Ernest
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA310898A publication Critical patent/CA310898A/en
Expired legal-status Critical Current

Links

CA310898D Telephone transmitter Expired CA310898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA310898T

Publications (1)

Publication Number Publication Date
CA310898A true CA310898A (en) 1931-04-28

Family

ID=35270222

Family Applications (1)

Application Number Title Priority Date Filing Date
CA310898D Expired CA310898A (en) Telephone transmitter

Country Status (1)

Country Link
CA (1) CA310898A (en)

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