CA579944A - Mechanical rock picker - Google Patents

Mechanical rock picker

Info

Publication number
CA579944A
CA579944A CA579944A CA579944DA CA579944A CA 579944 A CA579944 A CA 579944A CA 579944 A CA579944 A CA 579944A CA 579944D A CA579944D A CA 579944DA CA 579944 A CA579944 A CA 579944A
Authority
CA
Canada
Prior art keywords
mechanical rock
rock picker
picker
mechanical
rock
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
CA579944A
Other languages
French (fr)
Inventor
W. Petersen Merle
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.)
BRUCE H PETERSEN
Original Assignee
BRUCE H PETERSEN
Publication date
Application granted granted Critical
Publication of CA579944A publication Critical patent/CA579944A/en
Expired legal-status Critical Current

Links

CA579944A Mechanical rock picker Expired CA579944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA579944T

Publications (1)

Publication Number Publication Date
CA579944A true CA579944A (en) 1959-07-21

Family

ID=35755821

Family Applications (1)

Application Number Title Priority Date Filing Date
CA579944A Expired CA579944A (en) Mechanical rock picker

Country Status (1)

Country Link
CA (1) CA579944A (en)

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