1
William W Bohnhoff: Mat for stabilizing particulate materials. October 5, 1993: US05250340 (77 worldwide citation)

A mat for stabilizing particulate materials includes a planar quadrilateral grid formed by a plurality of intersecting struts. A reinforcement zone strengthens each of the strut intersections. Upstanding cylindrical tubular members are disposed on the grid in a rectangular array such that the centra ...


2
Bohnhoff William W: Mat for stabilizing particulate materials. Bohnhoff William W, PURCELL Robert E, March 18, 1993: WO/1993/004856

A mat for stabilizing particulate materials includes a planar quadrilateral grid formed by a plurality of intersecting struts (50, 51). A reinforcement zone (49) strengthens each of the strut intersections. Upstanding cylindrical tubular members (1-36) are disposed on the grid in a rectangular array ...