New U.S. Patent Awarded to Sigma Labs: Optical Manufacturing Process Sensing and Status Indication System

Broadens Patent Protection of PrintRite3D® In-Process Quality Assurance Platform SANTA FE, NM – February 5, 2019 – Sigma Labs, Inc. (NASDAQ: SGLB) (“Sigma Labs” or the “Company”), a provider of quality assurance software under the PrintRite3D® brand, announced that the U.S. Patent and Trademark Office Read More »

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