Helmet system

Details Helmet system Helmet system

1983-09-28

1985-10-29

Recla, Henry J.

Surgery

Respiratory method or device

Means for transmitting, or facilitating, voice communication...

12820124, 12820126, 12820129, 12820215, 2 25, 2 6, 2421, A62B 700

Patent

active

045495416

ABSTRACT:
A protective helmet system comprises:

REFERENCES:
patent: 1903831 (1933-04-01), Monro
patent: 3067425 (1962-12-01), Colley
patent: 3239843 (1966-03-01), Lobelle
patent: 3310811 (1967-03-01), Iacono, Jr.
patent: 3345641 (1967-10-01), Jennings
patent: 3362403 (1968-01-01), Fleming et al.
patent: 3487470 (1970-01-01), Stapenhill
patent: 3688314 (1972-09-01), Hill
patent: 3721994 (1973-03-01), DeSimone et al.
patent: 4044400 (1977-08-01), Lewicki

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