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  • In the year 1983 about 30 years ago Charles Hulls Invented Stereolithography (SLA). Who later started the company called 3D SYSTEMS.

  • In the year 2009 “Material Extrusion (ME)” FDM patents expired which is proprietary technology for Stratasys.

  • After FDM Patents fall off, the technology becomes available to much brooder cross-section of producers.

  • Now we have FDM technology one of the most popular consumer additive manufacturing devices existed in the market.

  • In the year 2014 “Selective Laser Sintering (SLS)” Patent expires. Which allow further expansion of “Additive Manufacturing (AM) technologies into the marketplace.

3D Printing
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