Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-05-17
1986-09-30
Bullock, B. J.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
981153
Patent
active
D02859629
REFERENCES:
patent: D192272 (1962-02-01), Wahlstrom
patent: 3103157 (1963-09-01), Quin
patent: 3121618 (1964-02-01), Yerzley
patent: 4105015 (1978-08-01), Isom
patent: 4125062 (1978-11-01), Eakes
patent: 4534281 (1985-08-01), Parks et al.
Bullock B. J.
Vinson Brian N.
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