Water heater
United States Patent 2531459
US Patent References:
/0953023.html
- - 0953023

Combustion apparatus
- - 1336261

Heat interchanger
- - 2040959

Water heater
- - 2423000


Inventors:
Marshall Jr., William A.
Publication Date:
11/28/1950
View Patent Images:
Assignee:
STEWART WARNER CORP
Primary Class:
Other Classes:
122/18.100, 123/142.50R, 122/55, 122/149, 122/17.200
International Classes:
B60H1/03; F24H1/26; B60H1/02; F24H1/22