4. Measuring and testing
  5. Borehole or drilling
  6. Downhole test

H. Albert Richardson

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BNB clamp

Pipe joints or couplings – Convertible
Patent

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Compact disk holder including disk extractor

Special receptacle or package – For holding a machine readable recording medium – For holding a grooved phonograph disc
Patent

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Display base for vending machines

Sales and advertising equipment – Vending machine
Patent

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Electrically powered toothbrush

Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent

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Portable groundwater sampling device

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Patent

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Profile ID: LFUS-PAI-P-651994

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