Roger D. Arnold

State Bar of Texas provides legal educational programming services. The private company is based in Austin, TX.

Probex Corp. is a technology-based renewable resource company that engages in the commercialization of its patented ProTerra(R) process. It invests the majority of its resources on research, development and commercialization of its patented ProTerra technology which has the ability to reprocess used lubricating oils, including used automotive engine oils, transmission fluids, gear lubes, diesel engine oils and hydraulic fluids that are no longer suitable for use or will no longer perform at their intended level, into at least three products that it intends to market to commercial and industrial customers