4. A - Human Necessities
  5. 61
  6. M

Robert A. Howard

A - Human Necessities – 61 – M

Inventor

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Details

Inventor

Country: United States Of America

Container providing a controlled hydrated environment

B - Operations – Transporting – 01 – L
Patent

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Portable power generating unit

H - Electricity – 02 – J
Patent

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Process for recovering valuable metals from spent catalysts

C - Chemistry – Metallurgy – 22 – B
Patent

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Respiratory devices and methods of use

A - Human Necessities – 61 – M
Patent

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Sample tube holder

B - Operations – Transporting – 01 – L
Patent

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Process for recovering valuable metals from spent catalysts

C - Chemistry – Metallurgy – 22 – B
Patent

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Profile ID: LFCA-PAI-P-1465936

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