Title:
Adjustable walking aid
United States Patent 2474722
Inventors:
Blume, Herbert E.
Publication Date:
06/28/1949
Assignee:
Blume, Herbert E.
Other Classes:
403/324, 403/322.200, 403/325, 135/65, 403/108
International Classes:
A45B9/00; A45B19/04; A61H3/02; A45B19/00; A61H3/00