Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-10-10
1987-08-04
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02912309
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patent: D186489 (1959-10-01), Fryd
patent: D199172 (1964-09-01), Drury
patent: D242350 (1976-11-01), Kann
patent: 3771765 (1973-11-01), Scapes
patent: 4023773 (1977-05-01), Wise
patent: 4103865 (1978-08-01), Nanba et al.
patent: 4124036 (1978-11-01), Rogers
patent: 4232709 (1980-11-01), Zorie
patent: 4441524 (1984-04-01), Mese
Georg Fischer Atkiengesellschaft
Largen James R.
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