4. B - Operations, Transporting
  5. 62
  6. B

Semyon Ioffe

B - Operations – Transporting – 62 – B

Inventor

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Details

Inventor

Country: Canada

In-line skate

A - Human Necessities – 63 – C
Patent

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Method and device for correcting or reducing the formation...

A - Human Necessities – 61 – B
Patent

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Sledge-type vehicles

B - Operations – Transporting – 62 – B
Patent

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Psychological testing or teaching a subject using...

G - Physics – 09 – B
Patent

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Sledge-type vehicles

B - Operations – Transporting – 62 – B
Patent

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Profile ID: LFCA-PAI-P-1136825

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