4. Boring or penetrating the earth
  5. With above-ground guide for relatively advancing tool

Robert Alden Folk

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Access platform for a well top drive system

Machines not elsewhere specified – Miscellaneous
Design Patent

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Block becket for use in a wellbore derrick

Material or article handling equipment – Conveying – lifting – or transferring article – Crane or hoist
Design Patent

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Guard for derrick apparatus

Machines not elsewhere specified – Agricultural or construction machinery – Drilling – mining – or soil treatment
Design Patent

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Guard for derrick apparatus

Machines not elsewhere specified – Agricultural or construction machinery – Drilling – mining – or soil treatment
Design Patent

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Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Profile ID: LFUS-PAI-P-2427296

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