US Patent Issued to C3 on March 25 for "Tri-fold machine and process" (Wisconsin Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,169, issued on March 25, was assigned to C3 Corp. (Appleton, Wis.).

"Tri-fold machine and process" was invented by Joseph F. Van De Hey (Kaukauna, Wis.), Jeffery J. VanHandel (Freedom, Wis.), Alex M. Zirbel (Kaukauna, Wis.) and Alex N. Kuffel (Appleton, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tri-fold machine and process to fold up compressed high expansion force material. The machine includes a left-side horizontal conveyor and a right-side horizontal conveyor with a middle conveyor therebetween. A pair of longitudinal bars are operable between (i) a raised position and (ii) a lowered position. The right-side and left-side conveyors ...