Earplugs

Details Earplugs Earplugs

1989-12-16

1989-09-19

Yasko, John D.

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

A61F 1102

Patent

active

048671495

ABSTRACT:
There is disclosed herein a multiple flange earplug composed of a resilient soft polymeric material.

REFERENCES:
patent: Re28560 (1975-09-01), Fling
patent: D253723 (1979-12-01), Leight
patent: 2246737 (1941-06-01), Knudsen
patent: 2393005 (1946-01-01), Veneklasen
patent: 2427664 (1947-09-01), Dunbar et al.
patent: 2487038 (1949-11-01), Baum
patent: 2619960 (1952-12-01), Reynolds
patent: 2670738 (1954-03-01), Gibbons
patent: 3800791 (1974-04-01), Visor
patent: 4034749 (1977-07-01), Von Kesseru et al.
patent: 4353364 (1982-10-01), Woods
patent: 4540063 (1985-09-01), Ochi et al.
General Electric, "Peacekeeper.RTM. Personalized Hearing Protectors", MD0-200, 1971.

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