ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,923, issued on Aug. 25, was assigned to Fluke Corp. (Everett, Wash.).
"Multi-channel handheld digital multimeter having separate common terminals" was invented by Jeffrey Elrod (Seattle), Michael Perry (Mulkiteo, Wash.), Joseph Ferrante (Redmond, Wash.), George Allen (Seattle), Jeffrey C. Hudson (Snohomish, Wash.) and John Gilbert (Seattle).
According to the abstract* released by the U.S. Patent & Trademark Office: "A single handheld multimeter device includes two or more independent measurement channels that are completely electrically separated and independent from one another. Each measurement channel has its point of reference, typically configured to be coupled to the ground...