Telepresence robots; transmitters of electronic signals; radios; inductors [electricity]; precision measuring apparatus; probes for scientific purposes; integrated circuits; semiconductors; chips [integrated circuits]; slope indicators.

Sonar devices; transmitters of electronic signals; precision measuring apparatus; semi-conductors; electric collectors; mutual inductor; transducer; booster; inductors electricity; integrated circuits

Telepresence robots; radios; precision measuring apparatus, namely, pressure measuring apparatus; transmitters of electronic signals; electrical inductors; slope indicators; probes for scientific purposes; integrated circuits; integrated semi-conductor chips; semi-conductors