Sigma Labs, Inc. (NASDAQ: SGLB) (“Sigma Labs” or the “Company”), a provider of quality assurance software under the PrintRite3D® brand, has announced that the U.S. Patent and Trademark Office has issued a Notice of Allowance for U.S. Patent Application No. 15/276,452, “Optical Manufacturing Process Sensing and Status Indication System.” The patent application covers a system of sensors configured to measure optical emissions generated by a scanning heat source during an additive manufacturing (AM) process and to analyze the data collected.
This patent allowance further enhances the depth and breadth of the patented intellectual property portfolio covering the PrintRite3D® platform. The technology covered in this patent enables Sigma to provide valuable and relevant quality status information to customers requiring high-quality AM metal products production. The USPTO has now allowed four patents pertaining to Sigma Lab’s PrintRite3D® platform, representing a wide degree of innovation and distinguishing us as a leader in this space.