4. Animal husbandry
  5. Waste toilet or related device
  6. Walled receptacle; e.g., litter box, etc., containing...

Harry G. Pierson, Jr.

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Apparatus for mechanically separating animal waste from litter

Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent

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Automated cat toilet

Animal husbandry – Entomological culture device – Egg treatment – production – or storage
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Sea cleaning and oil recovery vessel termed "scor-vessel"

Liquid purification or separation – With movable support – Float
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Profile ID: LFUS-PAI-P-620039

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