Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-01-28
1978-10-24
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 9224, D2304
Patent
active
D02500418
REFERENCES:
patent: D136877 (1943-12-01), Estes
patent: D196907 (1963-11-01), Halvorson
patent: D245787 (1977-09-01), Rhodes
patent: 2228505 (1941-01-01), Carter et al.
Firma Globol-Werk GmbH
Largen James R.
Ross Karl F.
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