US Patent Issued to The United States of America as Represented by the Secretary of the Army on Aug. 19 for "3D printer" (New Jersey Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,984, issued on Aug. 19, was assigned to The United States of America as Represented by the Secretary of the Army (Washington).

"3D printer" was invented by Adam Steinmark (Flanders, N.J.) and Ralph Tillinghast (Hardwick, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A simplified, gearless, passive z-axis 3d printer system is suitable for an elementary school which uses a slotted cam to convert x and y axis movement of the print head to adjust the z axis. More specifically, a low temperature 3d printer may use consumer crayons as the build material. The 3d printer system is designed such that it may be constructed of parts which may be 3d print...