ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,815, issued on Dec. 30, was assigned to Herbert Kannegiesser GmbH (Vlotho, Germany).
"Method for treating laundry items" was invented by Wilhelm Bringewatt (Porta Westfalica, Germany) and Engelbert Heinz (Vlotho, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Used laundry items are delivered unsorted to laundries. It has previously been usual to initially sort the laundry items after delivery and treat the sorted laundry items, at least by washing, drying, mangling and folding. The preliminary sorting is labor-intensive and time-consuming. The invention proposes to treat unsorted at least those laundry items which must be mangled. Only befor...