CA828830A - Telephone headset - Google Patents

Telephone headset

Info

Publication number
CA828830A
CA828830A CA828830A CA828830DA CA828830A CA 828830 A CA828830 A CA 828830A CA 828830 A CA828830 A CA 828830A CA 828830D A CA828830D A CA 828830DA CA 828830 A CA828830 A CA 828830A
Authority
CA
Canada
Prior art keywords
telephone headset
headset
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
CA828830A
Inventor
E. Prescott Robert
R. Kreisel Ralph
F. Mattke Charles
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
Publication date
Application granted granted Critical
Publication of CA828830A publication Critical patent/CA828830A/en
Expired legal-status Critical Current

Links

CA828830A Telephone headset Expired CA828830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA828830T

Publications (1)

Publication Number Publication Date
CA828830A true CA828830A (en) 1969-12-02

Family

ID=36306283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA828830A Expired CA828830A (en) Telephone headset

Country Status (1)

Country Link
CA (1) CA828830A (en)

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