CA753121A - Perforated card readers - Google Patents

Perforated card readers

Info

Publication number
CA753121A
CA753121A CA753121A CA753121DA CA753121A CA 753121 A CA753121 A CA 753121A CA 753121 A CA753121 A CA 753121A CA 753121D A CA753121D A CA 753121DA CA 753121 A CA753121 A CA 753121A
Authority
CA
Canada
Prior art keywords
card readers
perforated card
perforated
readers
card
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
CA753121A
Inventor
M. Hoffman William
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 CA753121A publication Critical patent/CA753121A/en
Expired legal-status Critical Current

Links

CA753121A Perforated card readers Expired CA753121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA753121T

Publications (1)

Publication Number Publication Date
CA753121A true CA753121A (en) 1967-02-21

Family

ID=36187469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA753121A Expired CA753121A (en) Perforated card readers

Country Status (1)

Country Link
CA (1) CA753121A (en)

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