Official Gazette of the United States Patent and Trademark Office:

Putco Ultimate HD T-Slot Cross Bar Rack for T-Slot Rail Tonneau tonneau cover with t slot Premium retractable tonneau cover · Vinyl-over-aluminum slat construction · Stylish satin leather-grained vinyl finish · Integrated T-Slot rails accommodate most T tonneau covers with tslot tracks TONNEAU COVER ration , wherein the pocket includes a surface and the surface t shaped slot therein for slidably receiving at least one fastener

slot machine telegram Designed to work with tonneau covers equipped with a T-slot: UltraGroove & Retrax XR Channel Rails, but works with any T-slot tonneau covers! Universal and