Fire escape – ladder – or scaffold – Pitched roof conforming scaffold
Reexamination Certificate
2011-03-01
2011-03-01
Chin-Shue, Alvin C (Department: 3634)
Fire escape, ladder, or scaffold
Pitched roof conforming scaffold
Reexamination Certificate
active
07896131
ABSTRACT:
A portable worker support bracket for releasable engagement of a work surface such as a truss member or other construction member.
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Chin-Shue Alvin C
Ryan Kromholz & Manion S.C.
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