U.S. federal trademark · Serial No. 98560888
L-6 is a hand punch used for cutting holes in canvas and upholstery fabric for post type fasteners. It cuts a round hole in the center and pierces four small holes surrounding the center hole (two holes at the top and two holes at the bottom) set at different widths apart from each other.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.