United States Patent 3542032
Inventors:
Spencer Jr., Charles C.
Publication Date:
11/24/1970
Assignee:
CRAMER PRODUCTS INC
Other Classes:
165/46, 62/530, 126/204, 206/219, 126/263.080, 206/221, 24/30.50T, 383/38
International Classes:
A61F7/00; F25D3/08; F28F7/00; F25D3/00; A61F7/00; F28F7/00; F25D3/08; A61F7/06