Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1995-04-17
1996-02-06
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23335, D23370, D23381
Patent
active
D03669343
REFERENCES:
patent: D253965 (1980-01-01), Ehrentraut-Jones et al.
patent: D358873 (1995-05-01), Pelonis
patent: 4724747 (1988-02-01), Sturm et al.
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