United States Patent 2991632
Inventors:
Rogers, John G.
Publication Date:
07/11/1961
Assignee:
Rogers, John G.
Other Classes:
62/402, 62/238.300, 62/238.400, 62/88, 62/467
International Classes:
F25B27/00
US Patent References:
| 2511716 | Heat operated compression refrigeration | | | |