ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,521, issued on Aug. 25, was assigned to Poyntz Covered Systems Inc. (Zephyr, Canada).
"Trailer enclosure system with retractable roof frame" was invented by Philip Poyntz (Sutton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retractable trailer enclosure system including a flexible tarpaulin adapted to cover the surface of a flatbed trailer and a roof frame for supporting the tarpaulin over the trailer head. The tarpaulin is at least partially retractable by selectively coiling one or both longitudinal sides to facilitate trailer loading and/or unloading. The roof frame includes one or more displaceable frame sections having one or elonga...