Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-07-19
1986-02-25
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02827689
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Christen Hans D.
Robertson David E.
Largen James R.
Rain Bird Sprinkler Mfg. Corp.
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