4. Hydraulic and earth engineering
  5. Subterranean or submarine pipe or cable laying, retrieving,...
  6. By means advancing along terrain and guiding pipe or cable...

Robert C. Brophy

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Electronic dog fence installer

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent

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Methods and apparatus for applying product

Fluid sprinkling – spraying – and diffusing – With mobile tank-type supply means – Ground traversing wheel-form supply tank
Reexamination Certificate

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Triangular cross section trenching apparatus for edging

Earth working – Sod cutter
Patent

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Profile ID: LFUS-PAI-P-112232

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