SAFETY HELMET WITH IMPROVED STABILIZING AND SIZE ADJUSTING MEANS
United States Patent 3447162

Inventors:
Aileo, Jackson A.
Publication Date:
06/03/1969
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Assignee:
GENTEX CORP
Primary Class:
2/420
Other Classes:
2/414, 2/909, 49/490.100, 2/209
International Classes:
A42B3/10; A42B3/04; A42B1/08; A42B1/06; E06B7/22
US Patent References:
3241154Safety helmets
3289212Sizer means for helmets
3344433Crash helmet
Foreign References:
GB449905A
AT167156B




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