4. B - Operations, Transporting
  5. 63
  6. C

John W. Henneman

B - Operations – Transporting – 63 – C

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Altitude sensing device

A - Human Necessities – 62 – B
Patent

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Anti-g valve

A - Human Necessities – 61 – B
Patent

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Breathing apparatus

A - Human Necessities – 62 – B
Patent

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Escape breathing apparatus

A - Human Necessities – 62 – B
Patent

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Exhalation valve means

A - Human Necessities – 62 – B
Patent

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Profile ID: LFCA-PAI-P-60315

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