United States Patent 3156988
Inventors:
Rause, Bohus B.
Publication Date:
11/17/1964
Assignee:
Rause, Bohus B.
Other Classes:
36/62, 36/7.600
International Classes:
A43B13/14; A43B13/30; A43B13/00
US Patent References:
| 2747300 | Vertically adjustable platform attachment for shoes | | | |