4. Medical and laboratory equipment
  5. Prophylactic article
  6. Ear plug or nose clip

Sperian Hearing Protection, LLC

Corporate Assignee

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Details

Corporate Assignee

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Earplug

Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip
Design Patent

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Foam ear plug or earpiece utilizing recycled pulverized...

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate

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High resilience flanged earplug

Surgery – Body protecting or restraining devices for patients or infants – Head or face protector
Reexamination Certificate

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Method and apparatus for continuous noise exposure monitoring

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Testing of hearing aids
Reexamination Certificate

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Non-roll foam eartip

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2203620

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