Defrosting system for refrigerators
United States Patent 2534031

Inventors:
Paul, Kollsman
Publication Date:
12/12/1950
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Assignee:
Paul, Kollsman
Primary Class:
62/234
Other Classes:
62/324.600, 62/155, 62/278, 62/325, 62/196.400
International Classes:
F25B41/04; F25B47/02
US Patent References:
2324309Refrigeration apparatus
2351140Refrigeration apparatus
2366635Refrigeration apparatus
2446910Controls and systems for defrosting cooling units of refrigerating machines