United States Patent 2512476
Inventors:
Birnkrant, Betty W.
Birnkrant, Samuel H.
Publication Date:
06/20/1950
Assignee:
Birnkrant, Betty W.
Birnkrant, Samuel H.
Other Classes:
220/260, 206/581, 206/38, 206/385, 206/235
International Classes:
A45D40/02