US Patent Issued to Milwaukee Electric Tool on April 7 for "Portable power source with low power display" (Wisconsin Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,650, issued on April 7, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).

"Portable power source with low power display" was invented by Chien-Chih Chao (Menomonee Falls, Wis.) and Catherine K. Semon (Milwaukee).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable power supply including a housing, a circuit, a battery power source, and an electronic-ink display. The housing supports a battery power source and a power outlet. The circuit is supported by the housing and includes a power input from the battery power source, a power output on the power outlet, and an inverter electrically connected between the power input and the pow...