ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,578, issued on July 22, was assigned to Martin Wolfson (Alvarado, Texas).
"Glueless pocketed spring cushioning unit assembler" was invented by Martin Wolfson (Dallas) and Lonnie Carter Johnson (Covington, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "In described examples, a cushioning unit assembler includes first, second, third, and fourth rows of welding heads, a transport, and a feed module. The welding heads have a welding position and a retracted position. A main axis of the welding heads is oriented in a first dimension while in the welding position. The transport is disposed above the rows of welding heads. The transport has a main ax...