Ann Makosinski filed a second U.S. patent application for a thermoelectrically powered portable light source, later granted in 2019.
On June 26, 2017, a second U.S. patent application was filed covering further developments to the thermoelectrically powered portable light source technology originally developed by Ann Makosinski. This filing came shortly before the grant of her first patent and reflected continued refinement and expansion of her thermoelectric generator designs.
Filing a follow-on or continuation patent application is a common strategy among inventors and companies seeking to broaden or strengthen protection around a core technology, covering new embodiments, improvements, or applications discovered after the original filing. For Makosinski, this indicated an ongoing, active program of research and development rather than a single one-off invention.
This second application would eventually mature into U.S. Patent No. 10,178,713, granted in January 2019, giving her and her collaborators a broader patent estate around thermoelectric lighting technology. The continued patent activity throughout her early twenties demonstrated sustained innovation beyond her initial teenage breakthrough, positioning her as a serious inventor-entrepreneur building a durable intellectual property portfolio through her company, Makotronics Enterprises Inc.
This filing also laid groundwork for later commercial applications of the technology, including an eventual line of children's educational toys focused on renewable energy and environmental stewardship, reported by CNN in 2019.