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

Dan M. De La Rosa

Attorney

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Barbecue apparatus

Compound tools – Cutter combined with other tool or tools
Design Patent

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Barbecue apparatus with swingout shelf

Stoves and furnaces – Stoves – Cooking
Reexamination Certificate

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Barbecue cooking apparatus with ash bin and chimney device

Stoves and furnaces – Ash discharge and collecting
Reexamination Certificate

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Drilling fluid additive system containing talc and graphite

Earth boring – well treating – and oil field chemistry – Earth boring – Contains inorganic component other than water or clay
Reexamination Certificate

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Flashlight

Lighting – Light fixture – Hand-held – body-attached or lantern type
Design Patent

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