Title:
Adjustable shoring
United States Patent 1498665


Inventors:
Donnell, Macivor William
Application Number:
US40458520A
Publication Date:
06/24/1924
Filing Date:
08/19/1920
Assignee:
Donnell, Macivor William
Primary Class:
Other Classes:
248/357, 249/50, 249/210
International Classes:
E04G11/48
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