Folding panel device
United States Patent 1944696

Inventors:
Ernst, Reichl
Publication Date:
01/23/1934
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Assignee:
Ernst, Reichl
Primary Class:
160/231.100
Other Classes:
472/77, 446/487, 273/155, 428/12, 273/153R, 160/135
International Classes:
A47G5/00