4. Boring or penetrating the earth
  5. Means traveling with tool to constrain tool to bore along...
  6. Axially spaced opposed bore wall engaging guides

David Allen Brown

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Extension and retraction mechanism for subsurface drilling equip

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along... – Axially spaced opposed bore wall engaging guides
Patent

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Internal memory controller providing configurable access of...

Electrical computers and digital processing systems: multicomput – Remote data accessing
Reexamination Certificate

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Processor having split transmit and receive media access...

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate

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Processor with packet processing order maintenance based on...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate

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Processor with script-based performance monitoring

Multiplex communications – Diagnostic testing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-300075

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