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Harold J. Seppala

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Details Harold J. Seppala Harold J. Seppala

: Apparel
: Head coverings
: Face coverings

: Inventor
: active

Affiliated with

Adherent protective collars

Apparel – Garment protectors – Collar or cuff

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Article for liquid containment and recovery

Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness

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Elastomeric composite headband

Surgery – Respiratory method or device – Face mask covering a breathing passage

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Fibrous filtration face mask having a new unidirectional...

Surgery – Respiratory method or device – Means for removing substance from respiratory gas

Reexamination Certificate

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Fibrous filtration face mask having a new unidirectional...

Surgery – Respiratory method or device – Means for removing substance from respiratory gas

Reexamination Certificate

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Profile ID: LFUS-PAI-P-260549

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