Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip
Patent
1996-02-23
1997-03-25
Zarfas, Louis S.
Medical and laboratory equipment
Prophylactic article
Ear plug or nose clip
Patent
active
D03786099
REFERENCES:
patent: 3658058 (1972-04-01), Neidhart et al.
patent: 4452240 (1984-06-01), Moretti
patent: 5103813 (1992-04-01), Hart et al.
patent: 5186165 (1993-02-01), Swann
Simmons I.
Zarfas Louis S,.
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