Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-02-25
1984-11-20
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02764547
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Brown Richard D.
Christen Hans D.
Largen James R.
Rain Bird Sprinkler Mfg. Corp.
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