CA428030A - Keyboard perforator - Google Patents

Keyboard perforator

Info

Publication number
CA428030A
CA428030A CA428030A CA428030DA CA428030A CA 428030 A CA428030 A CA 428030A CA 428030 A CA428030 A CA 428030A CA 428030D A CA428030D A CA 428030DA CA 428030 A CA428030 A CA 428030A
Authority
CA
Canada
Prior art keywords
keyboard perforator
perforator
keyboard
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
CA428030A
Other languages
French (fr)
Inventor
A. Lake Ross
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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA428030A publication Critical patent/CA428030A/en
Expired legal-status Critical Current

Links

CA428030A Keyboard perforator Expired CA428030A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA428030T

Publications (1)

Publication Number Publication Date
CA428030A true CA428030A (en) 1945-06-05

Family

ID=35543003

Family Applications (1)

Application Number Title Priority Date Filing Date
CA428030A Expired CA428030A (en) Keyboard perforator

Country Status (1)

Country Link
CA (1) CA428030A (en)

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