Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1985-12-20
1987-06-30
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02906384
REFERENCES:
patent: D136021 (1943-07-01), Kraissl, Jr.
patent: D228655 (1973-10-01), Frascone
patent: D236829 (1975-09-01), Berry, Jr. et al.
patent: D268866 (1983-05-01), Desai et al.
patent: D273697 (1984-05-01), Johnson et al.
patent: 2238003 (1941-04-01), Wilkinson
Burke Wallace R.
Hughes Edward W.
Vinson Brian N.
Water Resources International Inc.
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