Earplug

Details Earplug Earplug

1991-04-09

1993-10-12

Reid, Stella

Medical and laboratory equipment

Prophylactic article

Ear plug or nose clip

D 9439

Patent

active

D03402827

REFERENCES:
patent: D296524 (1988-07-01), Schneider
patent: D329897 (1992-09-01), Leight
patent: 2573923 (1951-11-01), Mezz
patent: 2577780 (1951-12-01), Lockhart
patent: 2804072 (1957-03-01), Genzer

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