CA168445A - Machine a forer - Google Patents

Machine a forer

Info

Publication number
CA168445A
CA168445A CA000168445A CA168445DA CA168445A CA 168445 A CA168445 A CA 168445A CA 000168445 A CA000168445 A CA 000168445A CA 168445D A CA168445D A CA 168445DA CA 168445 A CA168445 A CA 168445A
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
CA000168445A
Other languages
English (en)
Inventor
James W. Mayfield
Benjamin F. Williams
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 CA168445A publication Critical patent/CA168445A/fr
Expired legal-status Critical Current

Links

CA000168445A 1916-02-25 1916-02-25 Machine a forer Expired CA168445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA168445T 1916-02-25

Publications (1)

Publication Number Publication Date
CA168445A true CA168445A (fr) 1916-03-28

Family

ID=45288113

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000168445A Expired CA168445A (fr) 1916-02-25 1916-02-25 Machine a forer

Country Status (1)

Country Link
CA (1) CA168445A (fr)

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