Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-10-26
1982-05-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 7 59, D2301
Patent
active
D02644924
REFERENCES:
patent: D172675 (1954-07-01), Mandell
patent: D196190 (1963-09-01), Treu
patent: D237795 (1975-11-01), Solomon
patent: D241032 (1976-08-01), Burke et al.
patent: D256152 (1980-07-01), Darnell
patent: 4030664 (1977-06-01), Tisbo
Garden Scene Catalog, p. 12, items JW-41, AW-10, AW-15 & AW-21.
Largen James R.
Phillips Petroleum Company
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