Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-06-11
1985-01-22
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02773104
REFERENCES:
patent: D248869 (1978-08-01), Risher
patent: D258686 (1981-03-01), Johnson
patent: 3861894 (1975-01-01), Marsh
patent: 3930818 (1976-01-01), McDougall
patent: 3954427 (1976-05-01), Jenn
patent: 4301095 (1981-11-01), Mettler et al.
Burke Wallace R.
Wilder Lynn
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