NRT vs REFR Comparison

North European Oil Royalty Trust holds overriding royalty rights covering gas and oil production in certain concessions or leases in the Federal Republic of Germany. The properties of the trust are overriding royalty rights on sales of gas, sulfur, and oil under certain concessions or leases in the Federal Republic of Germany. The trust also holds other royalty rights, which are based on leases. It receives various percentages of royalties on the proceeds of the sales of certain products from the areas involved.

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.