US Patent Issued to KONINKLIJKE PHILIPS on April 21 for "Oral irrigator with back flow prevention" (Dutch, American Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,238, issued on April 21, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).

"Oral irrigator with back flow prevention" was invented by Joldert Maria Boersma (Zuidhorn, Netherlands), Jason Daniel Miller (Seattle), Jay Wolfer (Kirkland, Wash.), Le Gia Pham (Bellevue, Wash.), Egbert Van De Veen (Ijsselmuiden, Netherlands), Jose Villar (Lake Forest Park, Wash.), Aaldert Geert Zijlstra (Zuidlaren, Netherlands) and Klaas Kooijker (Drachten, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to mechanisms for oral irrigator fluid channels which provide back flow prevention. The oral irrigator comp...