Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-07-06
1980-05-06
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02549298
REFERENCES:
patent: D136877 (1943-12-01), Estes
patent: D220488 (1971-04-01), Patrigot
patent: D246319 (1977-11-01), Rabussier et al.
patent: D247573 (1978-03-01), Schimanski
patent: 2228505 (1941-01-01), Carter et al.
Butcher Ian
Lecomte Philippe
Rabussier Bernard
Airwick Industries Inc.
Falber Harry
Largen James R.
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