CA181576A - Ellipsographe - Google Patents

Ellipsographe

Info

Publication number
CA181576A
CA181576A CA000181576A CA181576DA CA181576A CA 181576 A CA181576 A CA 181576A CA 000181576 A CA000181576 A CA 000181576A CA 181576D A CA181576D A CA 181576DA CA 181576 A CA181576 A CA 181576A
Authority
CA
Canada
Prior art keywords
ellipsoigraph
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
CA000181576A
Other languages
English (en)
Inventor
John A. Caldwell
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 CA181576A publication Critical patent/CA181576A/fr
Expired legal-status Critical Current

Links

CA000181576A 1917-09-12 1917-09-12 Ellipsographe Expired CA181576A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA181576T 1917-09-12

Publications (1)

Publication Number Publication Date
CA181576A true CA181576A (fr) 1918-01-15

Family

ID=45301228

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000181576A Expired CA181576A (fr) 1917-09-12 1917-09-12 Ellipsographe

Country Status (1)

Country Link
CA (1) CA181576A (fr)

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