Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-12-26
1980-08-19
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02564980
REFERENCES:
patent: D224401 (1972-07-01), Clinton
patent: D228233 (1973-08-01), Fedrigo
patent: D251571 (1979-04-01), Lippert
patent: D252337 (1979-07-01), Hehnen
patent: D253007 (1979-09-01), Casberg et al.
patent: 2976129 (1961-03-01), Buehler
patent: 3598536 (1971-08-01), Christensen
patent: 3792979 (1974-02-01), Clinton
Airwick Industries Inc.
Jorda Karl F.
Largen James R.
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