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United States Patent 1536005
Inventors:
Housteau, Grant L.
Publication Date:
04/28/1925
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Download PDF 1536005
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Assignee:
Housteau, Grant L.
Primary Class:
160/23.100
Other Classes:
160/DIG.011, 160/290.100, 160/41, 160/29
International Classes:
E06B9/54
;
E06B9/86
;
E06B9/52
;
E06B9/80