Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-03-21
1978-11-07
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02502020
REFERENCES:
patent: D185618 (1959-06-01), Teague et al.
patent: D188750 (1960-09-01), Swann
patent: D198018 (1964-04-01), Wadsworth
patent: D198431 (1964-06-01), Armstrong
patent: D199235 (1964-09-01), Tiller
patent: D224108 (1972-07-01), Doman
Doman Donald W.
Jaeckels Norman J.
Phillips, Jr. Gerard D.
Kohler Co.
Largen James R.
Seidel Arthur H.
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