U.S. federal trademark · Serial No. 79351586
Apparatus and instruments for regulating electricity; apparatus and instruments for switching electricity; apparatus for controlling the supply of electrical current; apparatus for electrical safety protection namely, testing devices for testing of AC connection for single phase external supply to ensure against reverse polarity of the active and neutral conducts; apparatus for testing electrical components; apparatus for the testing of electrical circuits; electric circuit control devices for reverse polarity testing devices; electrical testing instruments namely, reverse polarity testing devices for testing of AC connection for single phase external supply to ensure against reverse polarity of the active and neutral conducts
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