4. Classifying, separating, and assorting solids
  5. Plural, diverse separating operations
  6. Aqueous suspension and sifting

Robert J. Greenwald

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Clasp for pierced earrings

Jewelry – Having direct body attachment
Patent

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Fecal examination device

Classifying – separating – and assorting solids – Plural – diverse separating operations – Aqueous suspension and sifting
Patent

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Fecal examination device

Chemistry: physical processes – Physical processes – Crystallization
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Fecal examination device

Special receptacle or package – With indicator
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Fecal examination device (B)

Classifying – separating – and assorting solids – Plural – diverse separating operations – Aqueous suspension and sifting
Patent

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