Title:
BACKPACK TRUNDLING ASSEMBLY
United States Patent 3550997

Inventors:
Strand, Helen R.
Publication Date:
12/29/1970
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Assignee:
Helen, Strand R.
Primary Class:
280/30
Other Classes:
280/47.180, 224/153
International Classes:
A45F3/00; B62B5/00; B62B1/20




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