Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-09-15
1979-06-12
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02521024
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patent: D216794 (1970-03-01), Patrick
patent: D224783 (1972-09-01), Jones
patent: D226766 (1973-04-01), Stoy et al.
patent: D246317 (1977-11-01), Heath et al.
patent: 1990338 (1935-02-01), Lippert
patent: 2783084 (1957-02-01), Paxton
patent: 3908906 (1975-09-01), Crowle et al.
patent: 3910495 (1975-10-01), Cummings et al.
Lecomte Philippe
Mandon Jean-Pierre
Airwick Industries Inc.
Jorda Karl F.
Largen James R.
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