ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,094, issued on July 15, was assigned to Anthro Form LLC (Waukesha, Wis.).
"Gas lift cylinder removal device" was invented by Steven DuFresne (Hartland, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example gas lift cylinder removal device described herein includes a collar assembly having a guide pin, a set screw, and a lead screw. The example cylinder removal device is disposed on a gas lift cylinder and provided proximate to and below a seat plate assembly of an example task chair. Operation of the gas lift cylinder removal tool from a first position to a second position provides a mechanical advantage to impart an upward force on a bushi...