Patent for an improved truck for railway carriages that is meant "to construct surface-rollers which have their center of bearing above the center of the traction of surface roller, and which have traction rollers bearing upon the upper portion of the main surface-roller, and upon which the load is supported equally upon two points of the surface or traction roller" (lines 17-23).

Patent for "an improved device for the excavation of material from the bottoms and sides of channels or other water ways; and has for its object to provide a novel machine of the type indicated, which will afford means to rapidly loosen earth or gravel below the surface of a water course, mix it with water, and subsequently transfer and discharge the débris upon the shore of the stream or within a floating receptacle, as may be desired" (lines 8-18).