ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,571, issued on July 29, was assigned to fischerwerke Gmbh & Co. KG (Waldachtal, Germany).
"Multi-chamber cartridge" was invented by Simon Huglin (Herbolzheim, Germany), Clemens Schmidt (Denzlingen, Germany) and Konstantin Schelleis (Freiburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-chamber cartridge having an outer tube and an inner tube arranged coaxially in the outer tube for a separate storage of two components-e.g., a hardener and binder of a two-component synthetic resin. The multi-chamber cartridge has a pushing-out element with four cutting edges, which cut the inner tube of the multi-chamber cartridge into four strips ...