CA108327A - Automatic telephone switch - Google Patents

Automatic telephone switch

Info

Publication number
CA108327A
CA108327A CA000108327A CA108327DA CA108327A CA 108327 A CA108327 A CA 108327A CA 000108327 A CA000108327 A CA 000108327A CA 108327D A CA108327D A CA 108327DA CA 108327 A CA108327 A CA 108327A
Authority
CA
Canada
Prior art keywords
automatic telephone
telephone switch
switch
automatic
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
CA000108327A
Other languages
French (fr)
Inventor
Charles Mclelland Thompson
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.)
CHARLES M THOMPSON Co
Original Assignee
CHARLES M THOMPSON Co
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 CHARLES M THOMPSON Co filed Critical CHARLES M THOMPSON Co
Application granted granted Critical
Publication of CA108327A publication Critical patent/CA108327A/en
Expired legal-status Critical Current

Links

CA000108327A 1907-07-02 1907-07-02 Automatic telephone switch Expired CA108327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA108327T 1907-07-02

Publications (1)

Publication Number Publication Date
CA108327A true CA108327A (en) 1907-10-29

Family

ID=45228053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000108327A Expired CA108327A (en) 1907-07-02 1907-07-02 Automatic telephone switch

Country Status (1)

Country Link
CA (1) CA108327A (en)

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