Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-10-03
1986-03-04
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02828650
REFERENCES:
patent: D235206 (1975-05-01), Betrand
patent: D240731 (1976-07-01), Free et al.
patent: D271235 (1983-11-01), Ward
patent: D275312 (1984-08-01), Ohls
patent: 2987187 (1961-06-01), Comroe
patent: 3342335 (1967-09-01), Gamundi et al.
patent: 3342340 (1967-09-01), Shindell
patent: 4287057 (1981-09-01), Stanley
patent: 4364828 (1982-12-01), Ward
Mobile Home/Travel Trailer Dealer, Apr. 20, 1965, p. 193, "Water Purifier" item.
Design 134, Feb. 1960, p. 41, item #5.
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