United States Patent 2817506
Inventors:
Albright, Edward A.
Publication Date:
12/24/1957
Assignee:
Albright, Edward A.
Other Classes:
432/133, 34/617, 34/66, 432/145, 126/21A, 432/185, 432/196, 432/187
International Classes:
F26B15/08; F26B21/02; F26B15/00