Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Domestic water heater or boiler
Patent
1996-11-12
1998-11-10
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Domestic water heater or boiler
2303
Patent
active
D04009711
REFERENCES:
patent: D300352 (1989-03-01), Ronvik
patent: 626454 (1899-06-01), Brintnall
patent: 3955556 (1976-05-01), Pangborn et al.
patent: 4510890 (1985-04-01), Cowan
patent: 5146911 (1992-09-01), Adams
patent: 5163119 (1992-11-01), Windon
Domestic Engineering, p. 18, Water Heater, May 1949.
Carlton Clifford
Pryor William M.
Vago Otto Z.
Lichtenstein Lisa
Puerner Paul R.
State Industries, Inc.
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