Title:
Heat-interchange means
Document Type and Number:
United States Patent 2140629
Inventors:
Adolphe, Hubert Charles
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
12/20/1938
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Referenced by:
Export Citation:
Assignee:
Adolphe, Hubert Charles
Primary Class:
Other Classes:
165/151, 165/182
International Classes:
F28D7/16; F28D7/00