9 votes Power struggle: The most quietly innovative thing that emerged from the latter half of the 1990s was the on-battery power meter. It was the subject of a complex patent battle. Posted January 21, 2021 by spit-evil-olive-tips Tags: batteries, history, 1990s, innovation, law, patents, author.ernie smith, source.tedium https://tedium.co/2021/01/20/on-battery-power-meter-history/