Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-11-29
1985-05-07
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02787407
REFERENCES:
patent: D137235 (1944-02-01), Butler
patent: 3145724 (1964-08-01), Pelzer
patent: 3180352 (1965-04-01), Kersten et al.
patent: 3183924 (1965-05-01), Duchin
Burke Wallace R.
Kohler Co.
Wilder Lynn
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