ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,776, issued on June 3, was assigned to Q-LINEA AB (Uppsala, Sweden).
"Sample holder" was invented by Jonas Melin (Uppsala, Sweden), Simon Uhrberg (Uppsala, Sweden) and Jonas Jarvius (Uppsala, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sample holder (10) comprises: an upper layer (20); a lower layer (40); a middle layer (30) between the upper and lower layers; and a sample chamber (33) formed by a through-hole in the middle layer (30), covered at its upper extent by a portion of the bottom surface of the upper layer (20), and at its lower extent by a portion of the top surface of the lower layer (40), wherein at least part of the bottom s...