Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-12-21
1983-09-27
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02707578
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patent: 4357506 (1982-11-01), Breining
Fuseo Industries Inc., "The Charleston Fan", brochure.
Casablanca Fan Company, Inc.
Largen James R.
Roston Ellsworth R.
Schwartz Charles H.
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