Medical and laboratory equipment – Prophylactic article – Ear plug or nose clip
Patent
1997-03-10
1999-04-20
Reid, Stella
Medical and laboratory equipment
Prophylactic article
Ear plug or nose clip
2404
Patent
active
D04085264
REFERENCES:
patent: 2630805 (1953-03-01), Brehm
patent: 2670737 (1954-03-01), Cantor
patent: 4314553 (1982-02-01), Westerdal
patent: 5044463 (1991-09-01), Carr
Hyde Edward R.
Reid Stella
Simmons I
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