US Patent Issued to L&P Property Management on May 12 for "Welding apparatus for strings of springs" (Swiss, American Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,530, issued on May 12, was assigned to L&P Property Management Co. (Carthage, Mo.).

"Welding apparatus for strings of springs" was invented by Guido Eigenmann (Carthage, Mo.), Darrell A. Richmond (Carthage, Mo.), Bernhard Bauer (Oberuzwil, Switzerland), Urs Liechti (Goldach, Switzerland) and Andreas Meier (Roggwil, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pocketed spring assembly comprises parallel strings, each string joined to at least one adjacent string. At least some of the strings have springs of different gauge wire and some of the pockets of the strings having springs of different gauge wire are spliced together. At least ...