Title:
Service door
United States Patent 1581776


Inventors:
Altschul, Otto A.
Application Number:
US73238824A
Publication Date:
04/20/1926
Filing Date:
08/16/1924
Assignee:
Altschul, Otto A.
Primary Class:
Other Classes:
49/70, 49/169, 160/180, 232/43.4, 312/292
International Classes:
E06B7/32
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