Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1996-09-11
1998-03-10
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23403, 2303
Patent
active
D03920348
REFERENCES:
patent: 547802 (1895-10-01), Page
patent: 4185611 (1980-01-01), Johnson
patent: 4206744 (1980-06-01), Mahoney et al.
patent: 4252106 (1981-02-01), Estes
patent: 4369626 (1983-01-01), Frankie
Pagani Attilio
Pagani Livia Serafini
Josif Albert
Lichtenstein Lisa
Modiano Guido
O'Byrne Daniel J.
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