CA491937A - Automatic operation and selective calling system - Google Patents

Automatic operation and selective calling system

Info

Publication number: CA491937A
Authority: CA; Canada
Prior art keywords: automatic operation; calling system; selective calling; selective; automatic
Prior art date: 1953-04-07
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

CA491937A

Other languages

French (fr)

Inventor

E. Volz Philip

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.)

Pierce Co

Original Assignee

Pierce Co

Publication date

1953-04-07

1953-04-07 Application granted granted Critical

1953-04-07 Publication of CA491937A publication Critical patent/CA491937A/en

Status Expired legal-status Critical Current

Links

CA491937A Automatic operation and selective calling system Expired CA491937A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA491937T

Publications (1)

Publication Number	Publication Date
CA491937A true CA491937A (en)	1953-04-07

Family

ID=35631683

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA491937A Expired CA491937A (en)			Automatic operation and selective calling system

Country Status (1)

Country	Link
CA (1)	CA491937A (en)

0
- CA CA491937A patent/CA491937A/en not_active Expired

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