Title:
Step construction
Document Type and Number:
United States Patent 1555614

Inventors:
Waggoner, Claude M.
Tingleaf, Albert J.
Publication Date:
09/29/1925
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Referenced by:
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Assignee:
Edward, Currier H.
Primary Class:
182/228.300
Other Classes:
403/187, 403/232.100, 403/167, 248/219.300, 403/24
International Classes:
E06C7/08; E06C7/00




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