US Patent Issued to GM Global Technology Operations on Sept. 1 for "Control circuit for a direct current motor" (Michigan Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,144, issued on Sept. 1, was assigned to GM Global Technology Operations LLC (Detroit).

"Control circuit for a direct current motor" was invented by S.M. Nayeem Hasan (Novi, Mich.) and Nicholas Logan Harvell (Brownstown, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control circuit operatively attached to a motor is provided. The motor includes a first input and a second input and is configured to operate at a first speed and a second speed. The control circuit includes a first speed switch unit configured to connect the battery to the first input, a second speed switch unit configured to connect the battery to the second input, the second s...