4. Medical and laboratory equipment
  5. Equipment for diagnosis, analysis, or treatment
  6. Article for the introduction, removal or collection of fluids

Karl G Hanson

Attorney

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Attorney

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Chin portion of welding helmet visor

Equipment for safety – protection – and rescue – Body restraint or protective covering – Element or attachment
Design Patent

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Exhalation valve filter

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids
Design Patent

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Eye-wear articles for use with respiratory masks

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
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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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-2577508

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