Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1977-09-19
1979-05-29
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02519844
REFERENCES:
patent: D133197 (1942-07-01), Luaces
patent: D174465 (1955-04-01), Paxton
patent: D246316 (1977-11-01), Hadtke
patent: D246318 (1977-11-01), Layton et al.
patent: 2383960 (1945-09-01), Depuy
patent: 2412326 (1946-12-01), Depuy
patent: 2708595 (1955-05-01), Ludwig
patent: 2713744 (1955-07-01), Strausser, Sr.
patent: 3754707 (1973-08-01), Morane
Gombert Jean-Marie
LeJeune Daniele
Nuer Louis
Rabussier Bernard
Airwick Industries Inc.
Jorda Karl F.
Largen James R.
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