1
Robert Wickwire: Vehicle leveling device. Valterra Products, Beaumont Gitlin Tashjian, Larry F Gitlin Esq, July 19, 2011: US07980532 (5 worldwide citation)

A leveling device for vehicle wheels comprising a first integral planar member for mating with one or more additional integral planar members of substantially the same shape and dimension in releasable relationship. All integral members have four sides and an upper surface divided into a plurality o ...


2
Robert Wickwire: Vehicle leveling device. Valterra Products, Larry F Gitlin Esq, Rapkin Gitlin & Beaumont, October 7, 2010: US20100252788-A1

A leveling device for vehicle wheels comprising a first integral planar member for mating with one or more additional integral planar members of substantially the same shape and dimension in releasable relationship. All integral members have four sides and an upper surface divided into a plurality o ...