Title:
Portable scaffold
United States Patent 1471848
Inventors:
Johnson, Sigurd W.
Publication Date:
10/23/1923
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Export Citation:
Assignee:
Edwin, Turnquist O.
Primary Class:
Other Classes:
182/116, 182/118, 182/113, 182/214
International Classes:
E04G1/30; E04G1/00