Laser projection virtual keyboards; Laser pointers; Photoelectric sensors; Electric sensors; Optical sensors; Optical glasses for laser collimating; Measuring apparatus, namely, laser distance meters; Diodes; Laser diodes; Photodiodes; Laser equipment for non-medical purposes; Lasers for measuring purposes; Laser level measuring apparatus; Laser doppler for measuring purposes; Laser object detectors for use on vehicles; Laser speed detectors; Laser detectors for particles; Laser rangefinders;...