#patents slowing down or preventing #innovation #3dprinting one famous case, #drones (like hobbyists'/toy drones) being another. https://twitter.com/doctorow/status/1020681087679332352
#5yrsago Get ready for the big bang as 3D printing patents expire https://t.co/S209yKl079 pic.twitter.com/ptprJ9Taw0— son of an asylum seeker, father of an immigrant (@doctorow) July 21, 2018
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