Building form
United States Patent 1636396

Inventors:
Urschel, William E.
Publication Date:
07/19/1927
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Assignee:
Urschel, William E.
Primary Class:
249/16
Other Classes:
249/27, 249/20, 249/194, 249/219.100, 249/15, 249/39, 425/DIG.241
International Classes:
E04G17/12; E04G17/06