Enviornmental
| Thu 10 Jul 2025
Alexandria, July 11 -- U.S. Patent and Trademark Office has awarded a patent to Rt Filtertechnik Gmbh for filter device. Stehle Gerhard, Sakraschinsky Michael, Wozniak Sven Peter, Schönfeld Dirk, Otto John, Wohlers Alexander, Backes Alexander, Morgens Klaus, Van Uffelen Florentin, Tassone Marco and Walek Markus Stefan developed..