REFR vs EPSM Comparison

Research Frontiers Inc is engaged in the development and marketing of technology and devices to control the flow of light. The company develops and licenses its patented suspended particle device light-control technology to other companies that manufacture and market the SPD-Smart chemical emulsion, the light-control film made from the chemical emulsion, the light-control panels made by laminating the film, electronics to power end-products incorporating the film, or lamination services for, and the end-products. The company's revenue source comes from the licensing of technology.

Epsium Enterprise Ltd is a holding company and conducts business through its subsidiaries. It is engaged in import trading and wholesale selling of beverages in Macau. The company imports and sells a range of beverages, alcoholic beverages, and a small quantity of tea and fruit juice. The alcoholic beverages it sells include Chinese liquor, French cognac, Scottish whiskey, fine wine, Champagne, and other miscellaneous beverage alcohols.