Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-01-30
1983-09-13
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02705605
REFERENCES:
patent: D141623 (1945-06-01), Thompson
patent: D145085 (1946-06-01), Isenberg
patent: D145538 (1946-09-01), Richards
patent: D177354 (1956-04-01), Wagler
patent: D234845 (1975-04-01), Davis
patent: D251679 (1979-04-01), Kwan
patent: 2981484 (1961-04-01), Hirsch
patent: 2989244 (1961-06-01), Matthewson
patent: 3361300 (1968-01-01), Kaplan
Clivio Franco
Raffler Dieter
Gardena Kress & Kastner GmbH
Largen James R.
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