Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-06-30
1982-06-29
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02652374
REFERENCES:
patent: D201482 (1965-06-01), Lever
patent: D250597 (1978-12-01), Whipple
patent: 4015581 (1977-04-01), Martenson
Beck Donald
Johnson Hugh N.
Jones Haydn
Kemper Catherine E.
M.G.F. Distributors Ltd.
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