Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Domestic water heater or boiler
Patent
1997-12-08
1999-10-12
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Domestic water heater or boiler
2303
Patent
active
D04152646
REFERENCES:
patent: D139313 (1944-10-01), Landerman
patent: 1190289 (1916-07-01), Herz
patent: 5434388 (1995-07-01), Kralic et al.
Lichtenstein Lisa
Sherwood-Templeton Coal Company, Inc.
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