4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. Repair, replacement, or improvement

Stephen V. Gearhart

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Conduit liner cutter

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Reexamination Certificate

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Infiltration control system and method

Hydraulic and earth engineering – Drainage or irrigation – Control means responsive to sensed condition
Reexamination Certificate

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Method for sealing an annular space

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Method for sealing an annular space

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2462879

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