Title:
Multiple purpose invalid walker
Document Type and Number:
United States Patent 2759525

Inventors:
Ries, Elmer F.
Publication Date:
08/21/1956
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Assignee:
Ries, Elmer F.
Primary Class:
297/6
International Classes:
A61H3/04; A61H3/00
US Patent References:
2168424Invalid walker
2459066Vehicle for invalids
Foreign References:
GB188917991A




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