CA244636A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
CA244636A
CA244636A CA244636A CA244636DA CA244636A CA 244636 A CA244636 A CA 244636A CA 244636 A CA244636 A CA 244636A CA 244636D A CA244636D A CA 244636DA CA 244636 A CA244636 A CA 244636A
Authority
CA
Canada
Prior art keywords
drilling mechanism
drilling
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
CA244636A
Other languages
English (en)
Inventor
Roscoe Wilson Joseph
Clarence Matlock Caswell
Sylvanus Berry Reni
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.)
HUGH MALLOY
Original Assignee
HUGH MALLOY
Publication date
Application granted granted Critical
Publication of CA244636A publication Critical patent/CA244636A/fr
Expired legal-status Critical Current

Links

CA244636A Perforatrice Expired CA244636A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA244636T

Publications (1)

Publication Number Publication Date
CA244636A true CA244636A (fr) 1924-11-18

Family

ID=35148663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244636A Expired CA244636A (fr) Perforatrice

Country Status (1)

Country Link
CA (1) CA244636A (fr)

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