Major patent expiration could spark a second 3D printing revolution
One of the central patents controlling production of a specific type of 3D printer expired yesterday, and the news has the 3D printing community buzzing. The patent concerns selective laser sintering (SLS), a form of additive manufacturing that offers some significant advantages over other... -
Major patent expiration could spark a second 3D printing revolution http://goo.gl/kB8JNz
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