Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1988-09-14
1990-09-25
Lucas, Susan J.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D13102
Patent
active
D03108740
REFERENCES:
patent: D281274 (1985-11-01), Wright, Jr.
patent: 2824507 (1958-02-01), Alldritt et al.
patent: 2868105 (1959-01-01), Knutson et al.
patent: 3386368 (1968-06-01), Fielding
patent: 3934494 (1976-01-01), Butler
Kearns Jerry T.
Lucas Susan J.
Tung M. H.
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