Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1984-04-30
1987-03-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02888394
REFERENCES:
patent: D141623 (1945-06-01), Thompson
patent: D230152 (1974-01-01), Froehlke
patent: D234845 (1975-04-01), Davis
patent: D270368 (1983-08-01), Grime
patent: 2544558 (1951-03-01), MacGregor
patent: 3038668 (1962-06-01), Handberg
patent: 3447753 (1969-06-01), Proctor et al.
Burge David A.
Largen James R.
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