Matin Kim installs Proto holograms

Proto introduces virtual garage, trouble diagnosis services - AIM Group

BT Adds Proto Hologram to Research and Innovation facilities - GlobeNewswire

Proto Gets Patented; USPTO Recognizes Original Hologram Device - GlobeNewswire

Proto Gets Patented; USPTO Recognizes Original Hologram Device - GlobeNewswire

Protolabs Appoints Oleg Ryaboy as New Chief Technology Officer - businesswire.com

AT&T Brings Newest Proto Hologram Technology to Dallas - GlobeNewswire

AT&T Brings Newest Proto Hologram Technology to Dallas - GlobeNewswire

Proto Labs Stock: Not A Great Prospect Until Issues Clear Up (NYSE:PRLB) - Seeking Alpha

Bucheon Film Fest Beams Curator from France to Korea via Proto - GlobeNewswire