CA249902A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA249902A
CA249902A CA249902A CA249902DA CA249902A CA 249902 A CA249902 A CA 249902A CA 249902 A CA249902 A CA 249902A CA 249902D A CA249902D A CA 249902DA CA 249902 A CA249902 A CA 249902A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA249902A
Other languages
French (fr)
Inventor
Schwartz Michael
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA249902A publication Critical patent/CA249902A/en
Expired legal-status Critical Current

Links

CA249902A Telephone system Expired CA249902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA249902T

Publications (1)

Publication Number Publication Date
CA249902A true CA249902A (en) 1925-05-19

Family

ID=35156876

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249902A Expired CA249902A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA249902A (en)

Similar Documents

Publication Publication Date Title
CA237629A (en) Telephone system
CA249902A (en) Telephone system
CA249133A (en) Telephone system
CA251387A (en) Telephone system
CA253322A (en) Telephone system
CA254408A (en) Telephone system
CA255776A (en) Telephone system
CA246412A (en) Telephone system
CA246427A (en) Telephone system
CA248373A (en) Telephone system
CA249122A (en) Telephone system
CA249128A (en) Telephone system
CA249129A (en) Telephone system
CA249131A (en) Telephone system
CA249132A (en) Telephone system
CA249900A (en) Telephone system
CA249901A (en) Telephone system
CA249903A (en) Telephone system
CA250369A (en) Telephone system
CA250579A (en) Telephone system
CA252193A (en) Telephone system
CA253549A (en) Telephone system
CA254833A (en) Telephone system
CA254848A (en) Telephone system
CA255163A (en) Telephone system