MLSS vs REFR Comparison

Milestone Scientific Inc develops and commercializes proprietary computer-controlled drug delivery systems designed to enhance the safety, precision, and patient experience associated with subcutaneous injections and fluid aspiration procedures. The company's core technology platform, Dynamic Pressure Sensing (DPS) Technology, controls flow rate and measures pressure at the needle tip in real time. DPS Technology is incorporated into both the company's dental and medical products and supports clinical applications, including local anesthesia delivery, epidural space identification in regional anesthesia procedures, and intra-articular joint injections. It operates in two segments: Dental, which markets and sells its dental products, and Medical, markets and sells its medical products.

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.