ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,485, issued on July 28, was assigned to SPARTAN MACHINE LLC (Lebanon, Ohio).

"Multi-speed lightweight gutter machine" was invented by David Scott Sizemore (Hamilton, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-speed lightweight gutter machine includes a lightweight aluminum frame having hollow structural members. Each forming stage includes structural support members, flintstone transfer rollers, and at least some forming stages have forming wheels composed of lightweight plastic to further reduce the weight of the machine. The machine includes an inverter unit that converts single-phase power into three-phase power, a three-phase el...