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United States Patent 1904318
Inventors:
Lehere, Henry H.
Publication Date:
04/18/1933
View Patent Images:
Download PDF 1904318
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Assignee:
Lehere, Henry H.
Primary Class:
40/791
Other Classes:
40/792
International Classes:
A47G1/06
;
G09F1/12
;
A47G1/00
;
G09F1/00