3D printers; 3D printing pens; Couplings for machines; Darning machines; Electric mixers for household purposes; Electric motors, and their parts, not for land vehicles; Extensions for power tools; Machine parts, namely, bearings; Robotic vacuum cleaners; Three dimensional (3D) printers; Transmissions for machines

3D printers; 3D printing pens; Three dimensional (3D) printers; Couplings for machines; Darning machines; Electric mixers for household purposes; Electric motors, and their parts, not for land vehicles; Extensions for power tools; Machine parts, namely, bearings; Robotic vacuum cleaners; Transmissions for machines