Hearing protective device

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

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2404

Patent

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D04027523

REFERENCES:
patent: D259279 (1981-05-01), Takeda
patent: D330761 (1992-11-01), Falco
patent: D369655 (1996-05-01), Esler et al.
patent: D375550 (1996-11-01), Esler et al.
patent: D375551 (1996-11-01), Esler et al.
patent: 4325453 (1982-04-01), Moussette
patent: 4553627 (1985-11-01), Gastmeier et al.
patent: 5188123 (1993-02-01), Gardner, Jr.
Cabot Safety; E.A.R. Express Pod Plugs; pp. 8-9; Nov. 1995.

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