CA187391A - Tableau noir - Google Patents

Tableau noir

Info

Publication number
CA187391A
CA187391A CA000187391A CA187391DA CA187391A CA 187391 A CA187391 A CA 187391A CA 000187391 A CA000187391 A CA 000187391A CA 187391D A CA187391D A CA 187391DA CA 187391 A CA187391 A CA 187391A
Authority
CA
Canada
Prior art keywords
blackboard
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
CA000187391A
Other languages
English (en)
Inventor
Tom Mellor
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA187391A publication Critical patent/CA187391A/fr
Expired legal-status Critical Current

Links

CA000187391A 1918-05-14 1918-05-14 Tableau noir Expired CA187391A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA187391T 1918-05-14

Publications (1)

Publication Number Publication Date
CA187391A true CA187391A (fr) 1918-11-12

Family

ID=45307042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000187391A Expired CA187391A (fr) 1918-05-14 1918-05-14 Tableau noir

Country Status (1)

Country Link
CA (1) CA187391A (fr)

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