Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-09-30
1985-05-28
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23127, D23162
Patent
active
D02790297
REFERENCES:
patent: D156294 (1949-11-01), Trow
patent: 1590948 (1926-06-01), Kelly
patent: 1745828 (1930-02-01), Barnes
patent: 2035653 (1936-03-01), Haskell
patent: 2348127 (1944-05-01), Grimes
patent: 3324938 (1967-06-01), Berkoff
patent: 4379446 (1983-04-01), Porter
patent: 4392478 (1983-07-01), Black
patent: 4458666 (1984-07-01), Osada
Kemper Catherine E.
Nemmers James C.
Western Manufacturing Corporation
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