Title:
Helmet
United States Patent 1886551


Inventors:
Jones, Ralph R.
Application Number:
US56565131A
Publication Date:
11/08/1932
Filing Date:
09/28/1931
Assignee:
Jones, Ralph R.
Primary Class:
Other Classes:
2/182.3, 2/182.6, 2/183, 2/425
International Classes:
A42B3/14
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