Joseph McKenna

“ It is further contended that the arrangement of the hoisting device parallel to a building, instead of at right angles to it, as in the Murray patent, gives more room to the working masons and mechanics, and therefore contributes to their security. ”

“ The continuity of metal is the novel element asserted. Counsel emphasize it, not so much for itself as for what it permits. It permits, according to counsel, a 'hinged or loose jointed connection between the putlog (called in the claims 'crossbeams') and the frames that support the putlog and the hoisting mechanism,' and counsel say that this is a 'separate and distinct entity from the elements of the Murray patent, differing in structure, function, and result produced.' And of this it is insisted there was no suggestion in the Murray patent ”

“ Henderson describes his invention as 'certain new and improved scaffold-supporting means,' and further says it relates 'to an improved means for supporting scaffolds used in connection with the construction of buildings and their repair.' In other words, the patent is, as the Murray patent is, for improvement of scaffold-supporting means. ”