CA900632A - Telephone extension system - Google Patents

Telephone extension system

Info

Publication number
CA900632A
CA900632A CA900632A CA900632DA CA900632A CA 900632 A CA900632 A CA 900632A CA 900632 A CA900632 A CA 900632A CA 900632D A CA900632D A CA 900632DA CA 900632 A CA900632 A CA 900632A
Authority
CA
Canada
Prior art keywords
extension system
telephone extension
telephone
extension
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
CA900632A
Inventor
H. Vogelman Joseph
O. Stephenson Kenrick
Feinerman Bernard
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.)
Chromalloy American Corp
Original Assignee
Chromalloy American Corp
Publication date
Application granted granted Critical
Publication of CA900632A publication Critical patent/CA900632A/en
Expired legal-status Critical Current

Links

CA900632A Telephone extension system Expired CA900632A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA900632T

Publications (1)

Publication Number Publication Date
CA900632A true CA900632A (en) 1972-05-16

Family

ID=36408599

Family Applications (1)

Application Number Title Priority Date Filing Date
CA900632A Expired CA900632A (en) Telephone extension system

Country Status (1)

Country Link
CA (1) CA900632A (en)

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