Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-09-22
1981-05-19
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02592762
REFERENCES:
patent: 1766601 (1930-06-01), Cesa
Jones Robert E.
Malafouris Dannie O.
Farley Eugene D.
Kemper Catherine E.
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