Semi-aural hearing protector

Details Semi-aural hearing protector Semi-aural hearing protector

2002-03-14

2003-09-02

Simmons, Ian (Department: 2914)

Medical and laboratory equipment

Prophylactic article

Ear plug or nose clip

Design Patent

active

D0479319

CLAIM:
The ornamental design for a semi-aural hearing protector, as shown and described.

REFERENCES:
patent: 4461290 (1984-07-01), Gardner, Jr. et al.
patent: 4490857 (1985-01-01), Leight et al.
patent: 4819624 (1989-04-01), Leight et al.
patent: D338267 (1993-08-01), Scholey
patent: D381414 (1997-07-01), Westerdal
patent: 5829062 (1998-11-01), Magidson
patent: 5904143 (1999-05-01), Magidson et al.
patent: D412976 (1999-08-01), Westerdal

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