Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-09-02
1983-06-07
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02692945
REFERENCES:
patent: D114666 (1939-05-01), Parkor
patent: D218310 (1970-08-01), Rosenberg
patent: D244538 (1977-05-01), Wharton et al.
patent: 3807144 (1974-04-01), Graybill
Muller Ronald L.
Rakocy William J.
Briody Thomas A.
Largen James R.
North American Philips Corporation
Schneider Rolf E.
Streeter William J.
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