Crutch
United States Patent 2516852
US Patent References:
Umbrella attachment
- - 1329915

Cane crutch
- - 2192766

Crutch
- - 2408604

Crutch
- - 2439316

Crutch
- - 2453632


Inventors:
Burry, William C.
Christie, Alonzo B.
Publication Date:
08/01/1950
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Assignee:
Burry, William C.
Christie, Alonzo B.
Primary Class:
135/71
Other Classes:
135/72, 248/126
International Classes:
A61H3/02; A61H3/00