Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1996-09-06
1999-04-20
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23386, 2304
Patent
active
D04085124
REFERENCES:
patent: 428739 (1890-05-01), Abrahamson
patent: 1952989 (1934-03-01), Joseph
patent: 3793813 (1974-02-01), McAllister
patent: 4521234 (1985-06-01), Poebles, Jr. et al.
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