Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-09-22
1986-03-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02830442
REFERENCES:
patent: D161419 (1951-01-01), Burger
patent: D164498 (1951-09-01), Hull
patent: D167308 (1952-07-01), Fisher et al.
patent: D167744 (1952-09-01), Dreyfuss
patent: D180718 (1957-07-01), Masson
patent: D232550 (1974-08-01), Fushihara
patent: D274929 (1984-07-01), Davis et al.
patent: D275312 (1984-08-01), Ohls
patent: 3950253 (1976-04-01), Stern
patent: 4312754 (1982-01-01), LaFontain
Largen James R.
Schneider Rolf E.
U.S. Philips Corporation
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