Heat exchanger

Details Heat exchanger Heat exchanger

1999-06-01

2001-09-25

Bullock, B. J. (Department: 2912)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Domestic water heater or boiler

Design Patent

active

D0448460

CLAIM:
The ornamental design for a heat exchanger, as shown and described.

REFERENCES:
patent: 2349143 (1944-05-01), Chute et al.
patent: 2658729 (1953-11-01), Horwitz
patent: 3527290 (1970-09-01), Lossing
patent: 3578067 (1971-05-01), Schlosberg
patent: 3768554 (1973-10-01), Stahl
patent: 4889182 (1989-12-01), Kösters
patent: 5755280 (1998-05-01), da Costa et al.

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