CA222176A - Echelle - Google Patents

Echelle

Info

Publication number
CA222176A
CA222176A CA222176A CA222176DA CA222176A CA 222176 A CA222176 A CA 222176A CA 222176 A CA222176 A CA 222176A CA 222176D A CA222176D A CA 222176DA CA 222176 A CA222176 A CA 222176A
Authority
CA
Canada
Prior art keywords
ladder
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
CA222176A
Other languages
English (en)
Inventor
J. Bryant Frederic
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 CA222176A publication Critical patent/CA222176A/fr
Expired legal-status Critical Current

Links

CA222176A Echelle Expired CA222176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA222176T

Publications (1)

Publication Number Publication Date
CA222176A true CA222176A (fr) 1922-08-15

Family

ID=35117778

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222176A Expired CA222176A (fr) Echelle

Country Status (1)

Country Link
CA (1) CA222176A (fr)

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