Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-12-15
1995-03-14
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D11 57, D21 63, D21185
Patent
active
D03563693
REFERENCES:
patent: D223578 (1972-05-01), Labrecque
patent: D243402 (1977-02-01), Irving
patent: D301562 (1989-06-01), Gaskill
patent: D317030 (1991-05-01), Peyton
patent: 2090106 (1937-08-01), Carlson
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