Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-11-28
1987-06-23
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02904993
REFERENCES:
patent: D258758 (1981-03-01), Johnson
patent: D281101 (1985-10-01), Tsuji
patent: 2211407 (1940-08-01), Christensen
patent: 3253820 (1966-05-01), Seil
Sweets Catalogue File-1982-vol. 2, .sctn.15.3-Carrier Heat Pumps, #388Q, p. 2.
Electrical Merchandising Week, 6/5/1961, General Electric Air Purifier, p. 38.
Griffis James D.
Morimoto Masayuki
Burke Wallace R.
Douglas Products A Scott Fetzer Company
Vinson Brian N.
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