Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-04-24
1987-01-13
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23110, D23113
Patent
active
D02877503
REFERENCES:
patent: D178926 (1956-10-01), McElgin
patent: D195447 (1963-06-01), Ware
patent: 3310652 (1967-03-01), Williams, Jr.
patent: 3408480 (1968-10-01), Peltak et al.
patent: 3596058 (1971-07-01), Steiner
patent: 4227068 (1980-10-01), Carter
patent: 4392048 (1983-07-01), Carter
Kemper Catherine E.
Rakennusvalmiste Oy
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