US Patent Issued to FERTON HOLDING on Aug. 12 for "Powder chamber for an air-polishing device and air-polishing device" (French Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,376, issued on Aug. 12, was assigned to FERTON HOLDING S.A. (Delemont Schweiz, Switzerland).

"Powder chamber for an air-polishing device and air-polishing device" was invented by Marcel Donnet (Sait Jean De Gondville, France) and Karine Sauvageot-Maxit (Cuvat, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Powder chamber for an air polishing device, extending from a top end to a bottom end along an axis, said powder chamber including at least two wall sections, where a first wall section forms a first angle with respect to the axis, and where a second wall section forms a second angle with respect to the axis, where the angles are measured in...