4. Boring or penetrating the earth
  5. With means movable relative to tool below ground to stop...
  6. Means comprises dropped element

George R. Douglas, Jr.

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Analytical system, reagent dispensing and sampling apparatus and

Chemistry: physical processes – Physical processes – Crystallization
Patent

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Arm chair coaster

Chairs and seats – Straddle seat
Patent

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Asphalt shingle remover and deroofer apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent

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Back-pressure valve for heating installations

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Barrel handler

Supports – Stand – Receptacle
Patent

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Profile ID: LFUS-PAI-P-7657

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