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CA497074A - Electromagnetic telephone instruments - Google Patents

Electromagnetic telephone instruments

Info

Publication number
CA497074A
CA497074A CA497074A CA497074DA CA497074A CA 497074 A CA497074 A CA 497074A CA 497074 A CA497074 A CA 497074A CA 497074D A CA497074D A CA 497074DA CA 497074 A CA497074 A CA 497074A
Authority
CA
Canada
Prior art keywords
telephone instruments
electromagnetic telephone
electromagnetic
instruments
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
CA497074A
Other languages
French (fr)
Inventor
W. Sutton George
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 CA497074A publication Critical patent/CA497074A/en
Expired legal-status Critical Current

Links

CA497074A Electromagnetic telephone instruments Expired CA497074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA497074T

Publications (1)

Publication Number Publication Date
CA497074A true CA497074A (en) 1953-10-20

Family

ID=35642502

Family Applications (1)

Application Number Title Priority Date Filing Date
CA497074A Expired CA497074A (en) Electromagnetic telephone instruments

Country Status (1)

Country Link
CA (1) CA497074A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002057A (en) * 1956-03-29 1961-09-26 Vigren Sten Daniel Polarized electromagnetic device
US3128537A (en) * 1958-06-26 1964-04-14 Vigren Sten Daniel Manufacture of electromagnetic devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002057A (en) * 1956-03-29 1961-09-26 Vigren Sten Daniel Polarized electromagnetic device
US3128537A (en) * 1958-06-26 1964-04-14 Vigren Sten Daniel Manufacture of electromagnetic devices

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