4. Boots, shoes, and leggings

Loren B. Sheldon

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Apparatus for sensing a distended location on a drill pipe

Electricity: circuit makers and breakers – Special application – Stationary feeler detects transient object
Patent

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Automated pipe handling system

Supports: racks – Special article – Receptacle support
Patent

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Block position and speed transducer for a computer-controlled oi

Registers – Platform operated – Platform actuated traffic counters
Patent

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Computer-controlled oil drilling rig having drawworks motor and

Boots – shoes – and leggings
Patent

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Electro-hydraulic interface for a power tongs

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Profile ID: LFUS-PAI-P-491206

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