ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,502, issued on March 3, was assigned to WILLOWWOOD GLOBAL LLC (Mount Sterling, Ohio).
"Prosthetic foot" was invented by James M. Colvin (Hilliard, Ohio), Matthew M. Wernke (Tampa, Fla.) and Evandro M. Ficanha (Grove City, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthetic foot that includes a foot plate having a toe portion and a heel portion, a shank plate bonded to the foot plate along a seam that extends from the toe portion rearward toward the heel portion to terminate at an end, the shank plate separated from the foot plate forming a gap between the foot plate and shank plate extending rearward from the end of the seam; and an att...