US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on June 24 for "Modal block for adjusting natural frequency of vehicle seat" (Michigan Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,736, issued on June 24, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Modal block for adjusting natural frequency of vehicle seat" was invented by Eryk Jerzy Dabrowski (Bloomfield Hills, Mich.) and Chung-long Lu (Novi, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Vehicles, vehicle seat arrangements, and methods for manufacturing modal blocks for use with vehicle seats in vehicles are provided. A method for manufacturing a modal block for use with a vehicle seat in a vehicle includes identifying a frequency range of output frequencies of the vehicle; determining a natural frequency of the vehicle seat; designing a modal bloc...