Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1994-08-12
1995-12-19
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23355, D23336, D23381
Patent
active
D03653897
REFERENCES:
patent: D338520 (1993-08-01), Ito et al.
patent: 3016984 (1962-01-01), Getzin
Rodalt's New Shelter Brochure, .COPYRGT.1982, p. 48, Air Freshener 8, lower middle side of page.
Brochure-Pollenex Model PA300 .COPYRGT.1993.
Brochure-Kenmore.TM. HEPA Filter Air Cleaning System, Aug. 1993.
Honeywell Inc.
Lichtenstein Lisa P.
MacKinnon Ian D.
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