4. C - Chemistry, Metallurgy
  5. 09
  6. J

Harold J. Seppala

C - Chemistry – Metallurgy – 09 – J

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Inventor

Country: United States Of America

Adherent protective collars

C - Chemistry – Metallurgy – 09 – J
Patent

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Article for liquid containment and recovery

A - Human Necessities – 61 – F
Patent

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Elastomeric composite headband

A - Human Necessities – 41 – D
Patent

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Filter media comprising dissimilar electrically charged layers

B - Operations – Transporting – 03 – C
Patent

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Multi-part headband and respirator mask assembly and process...

A - Human Necessities – 41 – D
Patent

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Respirator harness assembly

A - Human Necessities – 41 – D
Patent

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Profile ID: LFCA-PAI-P-1119019

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