Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-06-13
1986-10-07
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23 1, D12179
Patent
active
D02860643
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Muncie Power Products, Inc. Cat. MP82-02, Valve Control System.
Adams Peter D.
Hartshorne John M.
Largen James R.
Quadrastat Corporation
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