CA355443A - Rotary earth boring drill - Google Patents

Rotary earth boring drill

Info

Publication number
CA355443A
CA355443A CA355443A CA355443DA CA355443A CA 355443 A CA355443 A CA 355443A CA 355443 A CA355443 A CA 355443A CA 355443D A CA355443D A CA 355443DA CA 355443 A CA355443 A CA 355443A
Authority
CA
Canada
Prior art keywords
earth boring
boring drill
rotary earth
rotary
drill
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
CA355443A
Other languages
French (fr)
Inventor
E. Reed Clarence
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 CA355443A publication Critical patent/CA355443A/en
Expired legal-status Critical Current

Links

CA355443A Rotary earth boring drill Expired CA355443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA355443T

Publications (1)

Publication Number Publication Date
CA355443A true CA355443A (en) 1936-01-21

Family

ID=35343404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA355443A Expired CA355443A (en) Rotary earth boring drill

Country Status (1)

Country Link
CA (1) CA355443A (en)

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