ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,608, issued on April 15, was assigned to Pregis LLC (Chicago).
"Spindle mechanism for protective packaging device" was invented by George Bertram (Southbury, Conn.) and Douglas Walker (Hamden, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a web handling system that includes a spindle having a spindle magnetic coupling portion and a roll core configured for receiving the spindle for mounting thereon and having a roll magnetic coupling portion, wherein the spindle and roll magnetic coupling portions are configured for magnetically attracting each other to hold the roll on the spindle."
The patent was filed on Aug. 21, 2023, under A...