CA692624A - Educational aid - Google Patents

Educational aid

Info

Publication number
CA692624A
CA692624A CA692624A CA692624DA CA692624A CA 692624 A CA692624 A CA 692624A CA 692624 A CA692624 A CA 692624A CA 692624D A CA692624D A CA 692624DA CA 692624 A CA692624 A CA 692624A
Authority
CA
Canada
Prior art keywords
educational aid
educational
aid
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
CA692624A
Inventor
Morgan D. Parmenter
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA692624A publication Critical patent/CA692624A/en
Expired legal-status Critical Current

Links

CA692624A Educational aid Expired CA692624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA692624T

Publications (1)

Publication Number Publication Date
CA692624A true CA692624A (en) 1964-08-18

Family

ID=36002863

Family Applications (1)

Application Number Title Priority Date Filing Date
CA692624A Expired CA692624A (en) Educational aid

Country Status (1)

Country Link
CA (1) CA692624A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372494A (en) * 1965-03-31 1968-03-12 Alan S. Marcus Method and article for obtaining information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372494A (en) * 1965-03-31 1968-03-12 Alan S. Marcus Method and article for obtaining information

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