CA270023A - Derrick tractor - Google Patents

Derrick tractor

Info

Publication number
CA270023A
CA270023A CA270023A CA270023DA CA270023A CA 270023 A CA270023 A CA 270023A CA 270023 A CA270023 A CA 270023A CA 270023D A CA270023D A CA 270023DA CA 270023 A CA270023 A CA 270023A
Authority
CA
Canada
Prior art keywords
derrick
tractor
derrick tractor
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
CA270023A
Other languages
French (fr)
Inventor
F. Rainsford 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.)
Whitehead and Kales Co
Original Assignee
Whitehead and Kales Co
Publication date
Application granted granted Critical
Publication of CA270023A publication Critical patent/CA270023A/en
Expired legal-status Critical Current

Links

CA270023A Derrick tractor Expired CA270023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA270023T

Publications (1)

Publication Number Publication Date
CA270023A true CA270023A (en) 1927-04-19

Family

ID=35200053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270023A Expired CA270023A (en) Derrick tractor

Country Status (1)

Country Link
CA (1) CA270023A (en)

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