Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-03-18
1986-10-07
Bullock, B. J.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02860678
REFERENCES:
patent: D199021 (1964-09-01), Stairs, Jr.
patent: D199235 (1964-09-01), Tiller
patent: D215656 (1969-10-01), Armstrong
patent: D237884 (1975-12-01), Kovol
patent: D261799 (1981-11-01), Alger
patent: D276176 (1984-10-01), Kaiser
patent: 4162548 (1979-07-01), Groombridge et al.
Domestic Engineering, Mar. 1963, p. 139, Items (B) and (C).
Bullock B. J.
Household Manufacturing Inc.
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