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Safety centering basket

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Self-centering basket

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Skate apparatus for injecting tubing down pipelines

Wells – Guide for device or conduit – On sucker or pump rod
Reexamination Certificate

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Snap-on rod guide

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod centralizer

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod centralizer

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod coupling

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod guide

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod guide

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod guide

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod protector

Wells – Guide for device or conduit – On sucker or pump rod
Reexamination Certificate

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