Earplug

Details Earplug Earplug

1998-10-08

2000-06-27

Reid, Stella

Medical and laboratory equipment

Prophylactic article

Ear plug or nose clip

2404

Patent

active

D04273044

REFERENCES:
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patent: D253723 (1979-12-01), Leight
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patent: 3800791 (1974-04-01), Visor
patent: 4219018 (1980-08-01), Draper, Jr.
patent: 4867149 (1989-09-01), Falco
patent: 4936411 (1990-06-01), Leonard
patent: 5249309 (1993-10-01), Berg et al.

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