Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-12-22
1983-04-12
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02686147
REFERENCES:
patent: D244692 (1977-06-01), Schimanski
patent: D246317 (1977-11-01), Heath et al.
patent: D254930 (1980-05-01), Mandon et al.
patent: D254931 (1980-05-01), Mandon et al.
patent: D255047 (1980-05-01), Muller et al.
patent: D255263 (1980-06-01), Mandon et al.
patent: 2657090 (1953-10-01), Meek
patent: 3976246 (1976-08-01), Hauri et al.
patent: 4014501 (1977-03-01), Buckenmayer
patent: 4258004 (1981-03-01), Valerzona et al.
Schimanski Georg
von Philipp Fritz
Globol-Werk GmbH
Largen James R.
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