4. C - Chemistry, Metallurgy
  5. 01
  6. B

Robert L. Cramer

C - Chemistry – Metallurgy – 01 – B

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Anti-g valve

A - Human Necessities – 61 – B
Patent

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Anti-suffocation means for aircraft breathing mask

A - Human Necessities – 62 – B
Patent

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Automatic diluter/demand oxygen regulator adapted for...

A - Human Necessities – 62 – B
Patent

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Inflatable life raft

B - Operations – Transporting – 64 – D
Patent

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Means for anticipating anti-g forces in a moving vehicle

B - Operations – Transporting – 64 – D
Patent

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Method and apparatus for pumping fluids from bore holes

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-9164

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