Ear plug

Details Ear plug Ear plug

1976-10-29

1978-06-13

Michell, Robert W.

Surgery

Truss

Pad

128341, 128343, A61F 1102

Patent

active

040943151

ABSTRACT:
A sound-reducing ear plug formed of a soft plastic and adapted to fit into ear canals of different sizes.

REFERENCES:
patent: 3123069 (1964-03-01), Laisne et al.
patent: 3259128 (1966-07-01), Leight

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