Headgear with removable rigging unit
United States Patent 2855605
US Patent References:
Helmet
- - 1835883

Helmet
- - 1886551

Protective headgear
- - 2136678

Safety hat
- - 2177145

Suspension device for safety headgear
- - 2398561


Inventors:
Aileo, Jackson A.
Publication Date:
10/14/1958
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Assignee:
Leonard, Frieder P.
Primary Class:
2/419
International Classes:
A42B3/14; A42B3/04
US Patent References:
2585937Safety hat
2665422Annular support for rigid protective hats
2741768Safety headgear
Foreign References:
DE226640C