United States Patent 2561471
Inventors:
Hatfield, Lonnie P.
Publication Date:
07/24/1951
Assignee:
Hatfield, Lonnie P.
Other Classes:
165/111, 122/176
International Classes:
F22B1/06; F22B1/00
US Patent References:
| 2202507 | High pressure steam generator | | | |