Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-09-15
1983-09-20
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D24 38, D2302
Patent
active
D02706580
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Domestic Engineering, May 1978, p. 64, top left item.
Houle Raymond T.
Kilborn Fredrick A.
Kraft John H.
Redwine Michael A.
Reed Stewart D.
Largen James R.
Silchor
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