CA849350A - Educational device and method - Google Patents

Educational device and method

Info

Publication number
CA849350A
CA849350A CA849350A CA849350DA CA849350A CA 849350 A CA849350 A CA 849350A CA 849350 A CA849350 A CA 849350A CA 849350D A CA849350D A CA 849350DA CA 849350 A CA849350 A CA 849350A
Authority
CA
Canada
Prior art keywords
educational device
educational
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
CA849350A
Inventor
O. Albright Alto
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 CA849350A publication Critical patent/CA849350A/en
Expired legal-status Critical Current

Links

CA849350A Educational device and method Expired CA849350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA849350T

Publications (1)

Publication Number Publication Date
CA849350A true CA849350A (en) 1970-08-18

Family

ID=36333544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA849350A Expired CA849350A (en) Educational device and method

Country Status (1)

Country Link
CA (1) CA849350A (en)

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