4. C - Chemistry, Metallurgy
  5. 06
  6. B

David Hart

C - Chemistry – Metallurgy – 06 – B

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Lower limb walking aid

A - Human Necessities – 61 – H
Patent

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One or all phases recloser control

H - Electricity – 02 – H
Patent

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Only picked up phases recloser control

H - Electricity – 02 – H
Patent

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Orthotic walker

A - Human Necessities – 61 – H
Patent

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Pyrotechnic compositions for high altitudes

C - Chemistry – Metallurgy – 06 – B
Patent

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Walking trainer

A - Human Necessities – 61 – F
Patent

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Profile ID: LFCA-PAI-P-416913

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