Invalid walker and transfer device
United States Patent 2792052
Inventors:
Ingolf, Johannesen Hans Arne
Publication Date:
05/14/1957
Assignee:
Ingolf, Johannesen Hans Arne
Other Classes:
D12/130, 482/67, 135/67, 5/83.100, 297/DIG.004
International Classes:
A61G7/10; A61H3/04; A61H3/00