ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,028, issued on Oct. 14, was assigned to 3DFortify Inc. (Boston).

"Systems and methods for mixing materials for additive manufacturing" was invented by Joshua J. Martin (Arlington, Mass.), Scott Goodrich (Malden, Mass.), Andrew J. Caunter (Somerville, Mass.), Manny Barros (Westwood, Mass.) and Benjamin M. MacDonald (South Hamilton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Additive manufacturing apparatus and methods for mixing and dispensing materials, and articles with controlled particle concentrations. Additive manufacturing apparatus includes a mixer; a reservoir in fluidic communication with the mixer; and a build plate parallel to t...