Steel door construction
United States Patent 2696279
US Patent References:
/1200639.html
- - 1200639

Metal door
- - 1439439

Metal door
- - 1441446

Service cabinet
- - 1686831

Metal door
- - 1810321


Inventors:
Cecil, Schofield
Publication Date:
12/07/1954
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Assignee:
REPUHLIC STEEL CORP
Primary Class:
52/455
Other Classes:
52/784.130
International Classes:
E06B3/82; E06B3/70
US Patent References:
1846366Dry kiln door
1919419Door
2070219Door
Foreign References:
DE262934C