Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-07-25
1986-09-16
Bullock, B. J.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 6606
Patent
active
D02857162
REFERENCES:
patent: D263066 (1982-02-01), Merino et al.
patent: D263866 (1982-04-01), Messenger
patent: D268722 (1983-04-01), Bova
patent: D275862 (1984-10-01), Kilman, III et al.
patent: D276299 (1984-11-01), Reardon
patent: D279922 (1985-07-01), Bova
patent: 3797538 (1977-03-01), Mollura
patent: 4212335 (1980-07-01), Bova
patent: 4386638 (1983-06-01), Hall et al.
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