Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-07-28
1983-05-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02688662
REFERENCES:
patent: D241438 (1976-09-01), Kim
patent: D258753 (1981-03-01), Lampe
patent: 3398834 (1968-08-01), Nuttall et al.
patent: 3666109 (1972-05-01), Goeldner
patent: 3939074 (1976-02-01), Bray
patent: 3990066 (1976-11-01), Malmgren
patent: 4190537 (1980-02-01), Tondreau
Desai Mayadevi
Desai Satish V.
Gribble Wm. Jacquet
Largen James R.
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