ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,973, issued on Oct. 28, was assigned to FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH (Bad Homburg, Germany).
"Coupling device" was invented by Udo Kirstgen (Schweinfurt, Germany) and Johanna Bergmann (Hassfurt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Coupling device (1), which comprises at least two connectable elements in the form of a sleeve (2) and a sleeve holder (3), and the sleeve (2) has, at a first side (a), a recess (4) which is configured on both sides as hooks (5) and is provided with bevelled edges (6), and the sleeve holder (3) has, at a second side (c), a horizontally extending through-pin (7)."
The patent was filed on March...