ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,771, issued on Jan. 13, was assigned to P&G IP GmbH (Stuttgart, Germany).

"Method and system for producing, without the help of a substrate, a plurality of rooted cuttings from a plurality of unrooted cuttings" was invented by Stefan Reiner (Affalterbach, Germany), Dirk Schimmelpfeng (Remseck, Germany), Per Klemm (Stuttgart, Germany), Karoline Steinberger (Remseck Am Neckar, Germany) and Gabriele Schween (Esslingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes inserting viable, in vitro cultivated plant material into an empty pocket of a strip element that is formed at least in part of biodegradable material. The strip el...