4. Stock material or miscellaneous articles
  5. Structurally defined web or sheet
  6. Longitudinal or transverse tubular cavity or cell

John H. McGinn

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Apparatus for determining the effective force applied by an oars

Measuring and testing – Muscular force
Patent

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Controlling sediment

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement
Reexamination Certificate

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Drain inlet cover

Hydraulic and earth engineering – Drainage or irrigation
Reexamination Certificate

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Rod construction

Stock material or miscellaneous articles – Structurally defined web or sheet – Longitudinal or transverse tubular cavity or cell
Patent

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Sediment control

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1657921

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