4. A - Human Necessities
  5. 42
  6. B

Douglas Alvin Reuber

A - Human Necessities – 42 – B

Inventor

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Details

Inventor

Country: Canada

Double lens electric shield

A - Human Necessities – 42 – B
Patent

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Double lens electric shield

H - Electricity – 05 – B
Patent

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Double lens helmet face shield with electric heating field

A - Human Necessities – 42 – B
Patent

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Removable subsidiary helmet face shield lens

A - Human Necessities – 42 – B
Patent

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Double lens electric shield

A - Human Necessities – 42 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Double lens electric shield

H - Electricity – 05 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Double lens helmet face shield with electric heating field

A - Human Necessities – 42 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-1177158

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