US Patent Issued to The Charles Stark Draper Laboratory on April 14 for "Fabrication method for complex, re-entrant 3D microscale structures" (Massachusetts Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,757, issued on April 14, was assigned to The Charles Stark Draper Laboratory Inc. (Cambridge, Mass.).

"Fabrication method for complex, re-entrant 3D microscale structures" was invented by Daniel Frederick King (Watertown, Mass.), David J. Carter (Concord, Mass.), Corin Williams (Framingham, Mass.) and Stephanie Lynne Golmon (Arlington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bilayer mold for forming polymer microstructures is provided. The bilayer mold includes a rigid plastic cylinder having slots defined along an outer periphery of the rigid plastic cylinder; and a layer of plastic elastic polymer material disposed within the slots...