Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip
Patent
1994-06-20
1997-05-27
Zarfas, Louis S.
Medical and laboratory equipment
Prophylactic article
Ear plug or nose clip
2404
Patent
active
D03795055
REFERENCES:
patent: D275887 (1984-10-01), Anderson et al.
patent: 886790 (1908-05-01), Frank
patent: 4034759 (1977-07-01), Haerr
patent: 4159719 (1979-07-01), Haerr
patent: 5192301 (1993-03-01), Kamiya et al.
Marrs Roger A.
Simmons I.
Zarfas Louis S,.
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