Amplifiers; Audio-receivers and video-receivers; Audio speakers; Bags adapted for laptops; Cabinets for loudspeakers; Cell phone cases; Cell phone covers; Data processing equipment, namely, couplers; Display screen protectors for providing shade and privacy specially adapted to electronic devices, namely, laptops, cell phones and personal digital assistants; Earphones; Electric door bells; Electric navigational instruments; Electrical plugs and sockets; Headphones; Headsets for cellular or mobile phones; Headsets for use with computers; Plates, glass slides or chips having multi-well arrays that can be used in chemical analysis, biological analysis or patterning for scientific, laboratory or medical research use; Protective covers for smartphones; Scales; Scientific instruments, namely, electronic analyzers for testing consumer products for the presence of contaminants; Scientific instruments, namely, electronic analyzers for testing and analyzing chemical and biological substances for the presence, absence, or quantity of target chemicals, biologics, contaminants; Screen protectors comprised of acrylic, tempered glass, plastic adapted for use with portable electronic devices; Slide-rules; Stands for handheld digital electronic devices, namely, cell phones; Transmitters of electronic signals; Tripods for cameras