Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-04-26
1984-07-24
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02748347
REFERENCES:
patent: D226269 (1973-02-01), Sarandos
patent: D231985 (1974-07-01), Paulsen
patent: D242705 (1976-12-01), Fedrigo
patent: D253123 (1979-10-01), Jones
patent: 4249562 (1981-02-01), King, Sr.
patent: 4294280 (1981-10-01), Tom
D. 249,355 09001978 Blank D23 3
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