ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,841, issued on Oct. 21, was assigned to WERNER Co. (Greenville, Pa.).
"Climbing product having an extendable section lock assembly" was invented by Tek Lentine (Aurora, Ill.), Thomas W. Parker (Jamestown, Pa.), David S. Pozgay (Wilmette, Ill.), Jackson W. Miller (Chicago), Philip M. Anthony III (Chicago) and Bryan E. Rolfs (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A climbing product whose sections are extendable having a base section and a fly section. The fly section in sliding engagement with the base section. The climbing product has a lock assembly having a lock fly portion directly attached to the fly section. The lock fly portion...