Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-08-02
1984-09-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02755955
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patent: 4205788 (1980-06-01), Bruninga
Chow Ho
Perry Gordon R.
Largen James R.
Melnor Industries, Inc.
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