E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
E04F 21/18 (2006.01) B66F 11/00 (2006.01) E04G 21/00 (2006.01)
Patent
CA 2123560
This invention relates to hoisting gypsum drywall board from floor location to a horizontal hoisting deck and thence to ceiling or wall location.
Rokosh Joseph M.
Rokosh Thaddeus J.
Rokosh Joseph M.
Rokosh Thaddeus J.
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