United States Patent 3187345
Inventors:
Holford, Thelma E.
Publication Date:
06/08/1965
Assignee:
Holford, Thelma E.
Other Classes:
2/DIG.002, 2/195.700, 2/200.100, 2/195.800
International Classes:
A42B1/04; A42B1/20; A42B1/00
Foreign References:
| FR827637A | | | | |
| FR848193A | | | | |
| GB335805A | | | | |