STEPLADDER SCAFFOLD APPARATUS WITH ELEVATING WORKING PLATFORM
United States Patent 3490558
Inventors:
Foley, James M.
Publication Date:
01/20/1970
Assignee:
James, Foley M.
Other Classes:
182/129, 182/127
International Classes:
E04G1/30; E06C7/16; E06C7/18; E04G1/00; E06C7/00; E06C7/16