CA454552A - Protractor ruler - Google Patents

Protractor ruler

Info

Publication number
CA454552A
CA454552A CA454552A CA454552DA CA454552A CA 454552 A CA454552 A CA 454552A CA 454552 A CA454552 A CA 454552A CA 454552D A CA454552D A CA 454552DA CA 454552 A CA454552 A CA 454552A
Authority
CA
Canada
Prior art keywords
protractor
ruler
protractor ruler
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
CA454552A
Other languages
French (fr)
Inventor
V. Burks Louis
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 CA454552A publication Critical patent/CA454552A/en
Expired legal-status Critical Current

Links

CA454552A Protractor ruler Expired CA454552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA454552T

Publications (1)

Publication Number Publication Date
CA454552A true CA454552A (en) 1949-02-15

Family

ID=35572288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA454552A Expired CA454552A (en) Protractor ruler

Country Status (1)

Country Link
CA (1) CA454552A (en)

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