Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-04-08
1985-02-26
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02777789
REFERENCES:
patent: D118263 (1939-12-01), Kent et al.
patent: D118264 (1939-12-01), Kent et al.
patent: D211943 (1968-08-01), Beinert
patent: D243239 (1977-02-01), Hutton et al.
patent: D263863 (1982-04-01), Chow et al.
patent: D269200 (1983-05-01), MacKay et al.
patent: 2515598 (1950-07-01), Hansen
patent: 2566781 (1951-09-01), Tetzlaff
patent: 4421276 (1983-12-01), Rodgers
Holt Harold J.
Largen James R.
Raden James B.
The O. M. Scott & Sons Company
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