Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip
Patent
1994-12-23
1996-08-06
Zarfas, Louis S.
Medical and laboratory equipment
Prophylactic article
Ear plug or nose clip
D24110
Patent
active
D03725286
REFERENCES:
patent: 3658058 (1972-04-01), Neidhart et al.
patent: 4440165 (1984-04-01), Holzel
patent: 4452240 (1984-06-01), Moretti
Simmons I.
Zarfas Louis S,.
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