ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,719, issued on April 14, was assigned to Roche Diagnostics Operations Inc. (Indianapolis).

"Column device" was invented by Peter Kupser (Starnberg, Germany) and Andreas Leinenbach (Peissenberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A column device for an automatic analyser. The automatic analyzer comprises a high performance liquid chromatography (HPLC) module. The HPLC module comprises a fixation device configured to automatically fix and release a chromatographic column. The column device comprises a column jacket and a capillary. The capillary comprises predetermined dimensions and is disposed within the column jacket. The colum...