Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-02-22
1984-11-06
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02762587
REFERENCES:
patent: D225851 (1973-01-01), Cowan
patent: D259892 (1981-07-01), Boekamp
patent: D267424 (1982-12-01), Boldt et al.
patent: D268953 (1983-05-01), Kerchner, Jr.
patent: D271132 (1983-10-01), Boldt et al.
Boston Manufacturing Company
Kemper Catherine E.
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