Shoe sole having portions of different elasticity in combination with safety boot
United States Patent 3165841
Inventors:
Rollman, Heinz W.
Publication Date:
01/19/1965
Other Classes:
36/31, 36/30R, 36/77R
International Classes:
A43B7/32
Foreign References:
| FR1016468A | | | | |
| FR1193781A | | | | |
| FR1260816A | | | | |
| GB332115A | | | | |
| GB416167A | | | | |
| GB722803A | | | | |