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CA231029A - Folding drawing board - Google Patents

Folding drawing board

Info

Publication number
CA231029A
CA231029A CA231029A CA231029DA CA231029A CA 231029 A CA231029 A CA 231029A CA 231029 A CA231029 A CA 231029A CA 231029D A CA231029D A CA 231029DA CA 231029 A CA231029 A CA 231029A
Authority
CA
Canada
Prior art keywords
drawing board
folding drawing
folding
board
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
CA231029A
Other languages
French (fr)
Inventor
W. Jardine Thomas
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 CA231029A publication Critical patent/CA231029A/en
Expired legal-status Critical Current

Links

CA231029A Folding drawing board Expired CA231029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA231029T

Publications (1)

Publication Number Publication Date
CA231029A true CA231029A (en) 1923-05-15

Family

ID=35128401

Family Applications (1)

Application Number Title Priority Date Filing Date
CA231029A Expired CA231029A (en) Folding drawing board

Country Status (1)

Country Link
CA (1) CA231029A (en)

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