4. Boring or penetrating the earth
  5. Bit or bit element
  6. Plural separable cutter elements

Donald E. Andrews

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Borer-resistant waterfront retaining bulkhead

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent

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Insert for drill bits and drill stabilizers

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements
Patent

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Portable tire uniformity measurement system and method

Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent

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Profile ID: LFUS-PAI-P-1661868

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