Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-03-04
1979-08-21
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
239 57, 239 58, D2304
Patent
active
D02527065
REFERENCES:
patent: 2500896 (1950-03-01), Drake
patent: 2555047 (1951-05-01), Logue
patent: 2830845 (1958-04-01), Cottle
Globol-Werk GmbH
Largen James R.
Priddy Robert R.
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