D-Squared Technologies, founded and operated by Dr. Doug, has been assigned all rights to his world-wide pending patent applications in the field of precious metal authentication. D-Squared plans to promote, produce, and sell Dr. Doug’s 1-2-3 Method Testing Kits in the United States. Individuals or organizations interested in acquiring a license to produce and sell Dr. Doug’s products abroad are encouraged to contact him either by clicking on the “Contact Dr. Doug” selection tab or by calling him at 1-951-674-2598.