CA222092A - Drilling machine - Google Patents

Drilling machine

Info

Publication number
CA222092A
CA222092A CA222092A CA222092DA CA222092A CA 222092 A CA222092 A CA 222092A CA 222092 A CA222092 A CA 222092A CA 222092D A CA222092D A CA 222092DA CA 222092 A CA222092 A CA 222092A
Authority
CA
Canada
Prior art keywords
drilling machine
drilling
machine
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
CA222092A
Other languages
French (fr)
Inventor
T. Sears Willard
H. Rausch Roswell
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.)
JOHN BERTRAM AND SONS Co
Original Assignee
JOHN BERTRAM AND SONS Co
Publication date
Application granted granted Critical
Publication of CA222092A publication Critical patent/CA222092A/en
Expired legal-status Critical Current

Links

CA222092A Drilling machine Expired CA222092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA222092T

Publications (1)

Publication Number Publication Date
CA222092A true CA222092A (en) 1922-08-08

Family

ID=35117694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222092A Expired CA222092A (en) Drilling machine

Country Status (1)

Country Link
CA (1) CA222092A (en)

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