ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,812, issued on Dec. 16, was assigned to Multimatic Inc. (Markham, Canada).

"Lift assist system for vehicle tailgates" was invented by Scott Worden (Markham, Canada), Muamer Hodza (Markham, Canada) and Scott Wellman (Markham, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle tailgate lift assist system comprises a vehicle tailgate adapted to open and close by rotating about a tailgate pivot axis in relation to a vehicle body, coupling means to releasably connect the vehicle tailgate and the vehicle body, an energy storage device located within the vehicle body and adapted to be pivotally anchored to the vehicle body at one end, a crank ...