Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1987-06-10
1990-07-31
Word, A. Hugo
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D22120
Patent
active
D03096572
REFERENCES:
patent: D279216 (1985-06-01), Mango et al.
patent: D296819 (1988-07-01), Suhajda
patent: D296820 (1988-07-01), Suhajda
patent: 3687424 (1972-08-01), Katzman et al.
patent: 3778924 (1973-12-01), Okui
patent: 4173093 (1979-11-01), Nakai
patent: 4432938 (1984-02-01), Meetze
patent: 4703155 (1987-10-01), Suhajda
Coles Doris V.
Lucky Ltd.
Word A. Hugo
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