CA286587A - Protractograph - Google Patents

Protractograph

Info

Publication number
CA286587A
CA286587A CA286587A CA286587DA CA286587A CA 286587 A CA286587 A CA 286587A CA 286587 A CA286587 A CA 286587A CA 286587D A CA286587D A CA 286587DA CA 286587 A CA286587 A CA 286587A
Authority
CA
Canada
Prior art keywords
protractograph
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
CA286587A
Other languages
French (fr)
Inventor
H. Bowen Orville
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 CA286587A publication Critical patent/CA286587A/en
Expired legal-status Critical Current

Links

CA286587A Protractograph Expired CA286587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA286587T

Publications (1)

Publication Number Publication Date
CA286587A true CA286587A (en) 1929-01-22

Family

ID=35223399

Family Applications (1)

Application Number Title Priority Date Filing Date
CA286587A Expired CA286587A (en) Protractograph

Country Status (1)

Country Link
CA (1) CA286587A (en)

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