Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-04-04
1980-06-24
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02555999
REFERENCES:
patent: 2673558 (1954-03-01), Budlane
patent: 2744516 (1956-05-01), Hubbard
patent: 2864359 (1958-12-01), Vaughn
patent: 2964034 (1960-12-01), Nordholt et al.
Briggs Eugene C.
Giambrone Harry J.
Shaftner Robert F.
Bloom Jerome P.
Kemper Catherine E.
Koehring Company
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