PrintRite3D®

Sigma Labs and Spartacus3D Sign Agreement for Collaboration in Europe

SANTA FE, N.M. – April 18, 2016 – Sigma Labs, Inc. (OTCQB: SGLB) (“Sigma Labs” or the “Company”), a developer of advanced, in process,
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SANTA FE, N.M. – September 17, 2015 – Sigma Labs, Inc. (OTCQB: SGLB) (“Sigma Labs” or the “Company”), a developer of advanced, in process,
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