Title:
Child's book
United States Patent 2548043
Inventors:
Fritz, Muhlhauser
Publication Date:
04/10/1951
Export Citation:
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Assignee:
Fritz, Muhlhauser
Primary Class:
281/42
Other Classes:
273/153R, 283/63.1
International Classes:
A63H33/38; A63H33/38
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US Patent References:
2272858N/A
2186436Loose-leaf binder book