CA497936A - Communications systems - Google Patents

Communications systems

Info

Publication number
CA497936A
CA497936A CA497936A CA497936DA CA497936A CA 497936 A CA497936 A CA 497936A CA 497936 A CA497936 A CA 497936A CA 497936D A CA497936D A CA 497936DA CA 497936 A CA497936 A CA 497936A
Authority
CA
Canada
Prior art keywords
communications systems
communications
systems
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
CA497936A
Other languages
French (fr)
Inventor
R. Desch Joseph
V. Guiden Ernest
E. Mumma Robert
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
Publication date
Application granted granted Critical
Publication of CA497936A publication Critical patent/CA497936A/en
Expired legal-status Critical Current

Links

CA497936A Communications systems Expired CA497936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA497936T

Publications (1)

Publication Number Publication Date
CA497936A true CA497936A (en) 1953-11-24

Family

ID=35643372

Family Applications (1)

Application Number Title Priority Date Filing Date
CA497936A Expired CA497936A (en) Communications systems

Country Status (1)

Country Link
CA (1) CA497936A (en)

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